Kushalkhemka/embedding-cve-nvd-dataset huggingface dataset:
plete access to all Oracle iSetup accessible data. Description: Vulnerability in the Oracle iSetup product of Oracle E-Business Suite (component: General Ledger Update Transform, Reports). Supported versions that are affected are 12.1.3 and 12.2.3-12.2.10. Easily exploitable vulnerability allows low privileged attacker with network access via HTTP to compromise Oracle iSetup. Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all Oracle iSetup accessible data as well as unauthorized access to critical data or complete access to all Oracle iSetup accessible data. CVSS 3.1 Base Score 8.1 (Confidentiality and Integri
tical data or complete access to all Oracle iSetup accessible data. CVSS 3.1 Base Score 8.1 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N). Additional Analyst Notes: - CVE Program Container: - CISA ADP Vulnrichment: References: - https://www.oracle.com/security-alerts/cpuapr2021.html
CVE ID: CVE-2021-2277 State: PUBLISHED Published: 2021-04-22T21:53:58 Last Updated: 2024-09-26T14:55:47.040Z Severity: HIGH (CVSS 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N) Vendors: Oracle Corporation Products: Coherence Problem Types: Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle Coherence. Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all Oracle Coherence accessible data. Description: Vulnerability in the Oracle Coherence product of Oracle Fusion Middleware (component: Core). Supported versions that are affected are 3.7.1.0, 12.1.3.0.0, 12.2.1.3.0,
of Oracle Fusion Middleware (component: Core). Supported versions that are affected are 3.7.1.0, 12.1.3.0.0, 12.2.1.3.0, 12.2.1.4.0 and 14.1.1.0.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle Coherence. Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all Oracle Coherence accessible data. CVSS 3.1 Base Score 7.5 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N). Additional Analyst Notes: - CVE Program Container: - CISA ADP Vulnrichment: References: - https://www.oracle.com/security-alerts/cpuapr2021.html
CVE ID: CVE-2021-2278 State: PUBLISHED Published: 2021-04-22T21:53:58 Last Updated: 2024-09-26T14:47:31.039Z Severity: MEDIUM (CVSS 4.9 CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H) Vendors: Oracle Corporation Products: MySQL Server Problem Types: Easily exploitable vulnerability allows high privileged attacker with network access via multiple protocols to compromise MySQL Server. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Server. Description: Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer). Supported versions that are affected are 8.0.23 and prior.
CVE ID: CVE-2021-2279 State: PUBLISHED Published: 2021-04-22T21:53:58 Last Updated: 2024-09-26T14:55:31.838Z Severity: HIGH (CVSS 8.1 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H) Vendors: Oracle Corporation Products: VM VirtualBox Problem Types: Difficult to exploit vulnerability allows unauthenticated attacker with network access via RDP to compromise Oracle VM VirtualBox. Successful attacks of this vulnerability can result in takeover of Oracle VM VirtualBox. Description: Vulnerability in the Oracle VM VirtualBox product of Oracle Virtualization (component: Core). The supported version that is affected is Prior to 6.1.20. Difficult to exploit vulnerability allows unauthenticated attacker
pported version that is affected is Prior to 6.1.20. Difficult to exploit vulnerability allows unauthenticated attacker with network access via RDP to compromise Oracle VM VirtualBox. Successful attacks of this vulnerability can result in takeover of Oracle VM VirtualBox. CVSS 3.1 Base Score 8.1 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H). Additional Analyst Notes: - CVE Program Container: - CISA ADP Vulnrichment: References: - https://www.oracle.com/security-alerts/cpuapr2021.html - https://www.zerodayinitiative.com/advisories/ZDI-21-453/ - https://security.gentoo.org/glsa/202208-36
CVE ID: CVE-2021-2280 State: PUBLISHED Published: 2021-04-22T21:53:59 Last Updated: 2024-09-26T14:47:23.650Z Severity: HIGH (CVSS 7.1 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N) Vendors: Oracle Corporation Products: VM VirtualBox Problem Types: Easily exploitable vulnerability allows unauthenticated attacker with logon to the infrastructure where Oracle VM VirtualBox executes to compromise Oracle VM VirtualBox. While the vulnerability is in Oracle VM VirtualBox, attacks may significantly impact additional products. Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all Oracle VM VirtualBox accessible data. Description: Vulnerab
authorized access to critical data or complete access to all Oracle VM VirtualBox accessible data. Description: Vulnerability in the Oracle VM VirtualBox product of Oracle Virtualization (component: Core). The supported version that is affected is Prior to 6.1.20. Easily exploitable vulnerability allows unauthenticated attacker with logon to the infrastructure where Oracle VM VirtualBox executes to compromise Oracle VM VirtualBox. While the vulnerability is in Oracle VM VirtualBox, attacks may significantly impact additional products. Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all Oracle VM VirtualBox accessible data. CVS
y can result in unauthorized access to critical data or complete access to all Oracle VM VirtualBox accessible data. CVSS 3.1 Base Score 7.1 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N). Additional Analyst Notes: - CVE Program Container: - CISA ADP Vulnrichment: References: - https://www.oracle.com/security-alerts/cpuapr2021.html - https://security.gentoo.org/glsa/202208-36
CVE ID: CVE-2021-2281 State: PUBLISHED Published: 2021-04-22T21:53:59 Last Updated: 2024-09-26T14:47:17.080Z Severity: HIGH (CVSS 7.1 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:N) Vendors: Oracle Corporation Products: VM VirtualBox Problem Types: Easily exploitable vulnerability allows unauthenticated attacker with logon to the infrastructure where Oracle VM VirtualBox executes to compromise Oracle VM VirtualBox. While the vulnerability is in Oracle VM VirtualBox, attacks may significantly impact additional products. Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all Oracle VM VirtualBox accessible data. Descr
authorized creation, deletion or modification access to critical data or all Oracle VM VirtualBox accessible data. Description: Vulnerability in the Oracle VM VirtualBox product of Oracle Virtualization (component: Core). The supported version that is affected is Prior to 6.1.20. Easily exploitable vulnerability allows unauthenticated attacker with logon to the infrastructure where Oracle VM VirtualBox executes to compromise Oracle VM VirtualBox. While the vulnerability is in Oracle VM VirtualBox, attacks may significantly impact additional products. Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all Oracle VM
his vulnerability can result in unauthorized creation, deletion or modification access to critical data or all Oracle VM VirtualBox accessible data. CVSS 3.1 Base Score 7.1 (Integrity impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:N). Additional Analyst Notes: - CVE Program Container: - CISA ADP Vulnrichment: References: - https://www.oracle.com/security-alerts/cpuapr2021.html - https://security.gentoo.org/glsa/202208-36
CVE ID: CVE-2021-2282 State: PUBLISHED Published: 2021-04-22T21:53:59 Last Updated: 2024-09-26T14:47:09.105Z Severity: HIGH (CVSS 7.1 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N) Vendors: Oracle Corporation Products: VM VirtualBox Problem Types: Easily exploitable vulnerability allows unauthenticated attacker with logon to the infrastructure where Oracle VM VirtualBox executes to compromise Oracle VM VirtualBox. While the vulnerability is in Oracle VM VirtualBox, attacks may significantly impact additional products. Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all Oracle VM VirtualBox accessible data. Description: Vulnerab
CVE ID: CVE-2021-2283 State: PUBLISHED Published: 2021-04-22T21:53:59 Last Updated: 2024-09-26T14:46:59.288Z Severity: HIGH (CVSS 7.1 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N) Vendors: Oracle Corporation Products: VM VirtualBox Problem Types: Easily exploitable vulnerability allows unauthenticated attacker with logon to the infrastructure where Oracle VM VirtualBox executes to compromise Oracle VM VirtualBox. While the vulnerability is in Oracle VM VirtualBox, attacks may significantly impact additional products. Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all Oracle VM VirtualBox accessible data. Description: Vulnerab
CVE ID: CVE-2021-2284 State: PUBLISHED Published: 2021-04-22T21:53:59 Last Updated: 2024-09-26T14:46:52.392Z Severity: HIGH (CVSS 7.1 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:N) Vendors: Oracle Corporation Products: VM VirtualBox Problem Types: Easily exploitable vulnerability allows unauthenticated attacker with logon to the infrastructure where Oracle VM VirtualBox executes to compromise Oracle VM VirtualBox. While the vulnerability is in Oracle VM VirtualBox, attacks may significantly impact additional products. Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all Oracle VM VirtualBox accessible data. Descr
CVE ID: CVE-2021-2285 State: PUBLISHED Published: 2021-04-22T21:53:59 Last Updated: 2024-09-26T14:12:46.208Z Severity: HIGH (CVSS 7.1 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N) Vendors: Oracle Corporation Products: VM VirtualBox Problem Types: Easily exploitable vulnerability allows unauthenticated attacker with logon to the infrastructure where Oracle VM VirtualBox executes to compromise Oracle VM VirtualBox. While the vulnerability is in Oracle VM VirtualBox, attacks may significantly impact additional products. Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all Oracle VM VirtualBox accessible data. Description: Vulnerab
CVE ID: CVE-2021-2286 State: PUBLISHED Published: 2021-04-22T21:53:59 Last Updated: 2024-09-26T14:12:40.699Z Severity: HIGH (CVSS 7.1 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:N) Vendors: Oracle Corporation Products: VM VirtualBox Problem Types: Easily exploitable vulnerability allows unauthenticated attacker with logon to the infrastructure where Oracle VM VirtualBox executes to compromise Oracle VM VirtualBox. While the vulnerability is in Oracle VM VirtualBox, attacks may significantly impact additional products. Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all Oracle VM VirtualBox accessible data. Descr
CVE ID: CVE-2021-2287 State: PUBLISHED Published: 2021-04-22T21:53:59 Last Updated: 2024-09-26T14:12:35.079Z Severity: HIGH (CVSS 7.1 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N) Vendors: Oracle Corporation Products: VM VirtualBox Problem Types: Easily exploitable vulnerability allows unauthenticated attacker with logon to the infrastructure where Oracle VM VirtualBox executes to compromise Oracle VM VirtualBox. While the vulnerability is in Oracle VM VirtualBox, attacks may significantly impact additional products. Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all Oracle VM VirtualBox accessible data. Description: Vulnerab
CVE ID: CVE-2021-2288 State: PUBLISHED Published: 2021-04-22T21:53:59 Last Updated: 2024-09-26T14:12:28.124Z Severity: HIGH (CVSS 8.1 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N) Vendors: Oracle Corporation Products: Bills of Material Problem Types: Easily exploitable vulnerability allows low privileged attacker with network access via HTTP to compromise Oracle Bills of Material. Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all Oracle Bills of Material accessible data as well as unauthorized access to critical data or complete access to all Oracle Bills of Material accessible data. Description: Vulnerabilit
ed access to critical data or complete access to all Oracle Bills of Material accessible data. Description: Vulnerability in the Oracle Bills of Material product of Oracle E-Business Suite (component: Bill Issues). Supported versions that are affected are 12.1.1-12.1.3. Easily exploitable vulnerability allows low privileged attacker with network access via HTTP to compromise Oracle Bills of Material. Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all Oracle Bills of Material accessible data as well as unauthorized access to critical data or complete access to all Oracle Bills of Material accessible data. CVSS
s well as unauthorized access to critical data or complete access to all Oracle Bills of Material accessible data. CVSS 3.1 Base Score 8.1 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N). Additional Analyst Notes: - CVE Program Container: - CISA ADP Vulnrichment: References: - https://www.oracle.com/security-alerts/cpuapr2021.html
CVE ID: CVE-2021-2289 State: PUBLISHED Published: 2021-04-22T21:53:59 Last Updated: 2024-09-26T14:12:20.777Z Severity: HIGH (CVSS 8.1 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N) Vendors: Oracle Corporation Products: Product Hub Problem Types: Easily exploitable vulnerability allows low privileged attacker with network access via HTTP to compromise Oracle Product Hub. Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all Oracle Product Hub accessible data as well as unauthorized access to critical data or complete access to all Oracle Product Hub accessible data. Description: Vulnerability in the Oracle Product
cal data or complete access to all Oracle Product Hub accessible data. Description: Vulnerability in the Oracle Product Hub product of Oracle E-Business Suite (component: Template, GTIN search). Supported versions that are affected are 12.1.1-12.1.3 and 12.2.3-12.2.10. Easily exploitable vulnerability allows low privileged attacker with network access via HTTP to compromise Oracle Product Hub. Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all Oracle Product Hub accessible data as well as unauthorized access to critical data or complete access to all Oracle Product Hub accessible data. CVSS 3.1 Base Score 8.1
uthorized access to critical data or complete access to all Oracle Product Hub accessible data. CVSS 3.1 Base Score 8.1 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N). Additional Analyst Notes: - CVE Program Container: - CISA ADP Vulnrichment: References: - https://www.oracle.com/security-alerts/cpuapr2021.html
CVE ID: CVE-2021-2290 State: PUBLISHED Published: 2021-04-22T21:54:00 Last Updated: 2024-09-26T14:12:11.260Z Severity: HIGH (CVSS 8.1 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N) Vendors: Oracle Corporation Products: Engineering Problem Types: Easily exploitable vulnerability allows low privileged attacker with network access via HTTP to compromise Oracle Engineering. Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all Oracle Engineering accessible data as well as unauthorized access to critical data or complete access to all Oracle Engineering accessible data. Description: Vulnerability in the Oracle Engineer
cal data or complete access to all Oracle Engineering accessible data. Description: Vulnerability in the Oracle Engineering product of Oracle E-Business Suite (component: Change Management). Supported versions that are affected are 12.1.1-12.1.3 and 12.2.3-12.2.10. Easily exploitable vulnerability allows low privileged attacker with network access via HTTP to compromise Oracle Engineering. Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all Oracle Engineering accessible data as well as unauthorized access to critical data or complete access to all Oracle Engineering accessible data. CVSS 3.1 Base Score 8.1 (Con
rized access to critical data or complete access to all Oracle Engineering accessible data. CVSS 3.1 Base Score 8.1 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N). Additional Analyst Notes: - CVE Program Container: - CISA ADP Vulnrichment: References: - https://www.oracle.com/security-alerts/cpuapr2021.html
CVE ID: CVE-2021-2291 State: PUBLISHED Published: 2021-04-22T21:54:00 Last Updated: 2024-09-26T14:12:04.975Z Severity: MEDIUM (CVSS 4.7 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N) Vendors: Oracle Corporation Products: VM VirtualBox Problem Types: Difficult to exploit vulnerability allows low privileged attacker with logon to the infrastructure where Oracle VM VirtualBox executes to compromise Oracle VM VirtualBox. Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all Oracle VM VirtualBox accessible data. Description: Vulnerability in the Oracle VM VirtualBox product of Oracle Virtualization (component: Core). The supported ver
ription: Vulnerability in the Oracle VM VirtualBox product of Oracle Virtualization (component: Core). The supported version that is affected is Prior to 6.1.20. Difficult to exploit vulnerability allows low privileged attacker with logon to the infrastructure where Oracle VM VirtualBox executes to compromise Oracle VM VirtualBox. Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all Oracle VM VirtualBox accessible data. CVSS 3.1 Base Score 4.7 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N). Additional Analyst Notes: - CVE Program Container: - CISA ADP Vulnrichment: References: - https://w
:N/S:U/C:H/I:N/A:N). Additional Analyst Notes: - CVE Program Container: - CISA ADP Vulnrichment: References: - https://www.oracle.com/security-alerts/cpuapr2021.html - https://www.zerodayinitiative.com/advisories/ZDI-21-457/ - https://security.gentoo.org/glsa/202208-36
CVE ID: CVE-2021-2292 State: PUBLISHED Published: 2021-04-22T21:54:00 Last Updated: 2024-09-26T14:11:57.795Z Severity: HIGH (CVSS 8.1 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N) Vendors: Oracle Corporation Products: Document Management and Collaboration Problem Types: Easily exploitable vulnerability allows low privileged attacker with network access via HTTP to compromise Oracle Document Management and Collaboration. Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all Oracle Document Management and Collaboration accessible data as well as unauthorized access to critical data or complete access to all Oracle
ment and Collaboration accessible data as well as unauthorized access to critical data or complete access to all Oracle Document Management and Collaboration accessible data. Description: Vulnerability in the Oracle Document Management and Collaboration product of Oracle E-Business Suite (component: Document Management). Supported versions that are affected are 12.1.1-12.1.3 and 12.2.3-12.2.10. Easily exploitable vulnerability allows low privileged attacker with network access via HTTP to compromise Oracle Document Management and Collaboration. Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all Oracle Document
lnerability can result in unauthorized creation, deletion or modification access to critical data or all Oracle Document Management and Collaboration accessible data as well as unauthorized access to critical data or complete access to all Oracle Document Management and Collaboration accessible data. CVSS 3.1 Base Score 8.1 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N). Additional Analyst Notes: - CVE Program Container: - CISA ADP Vulnrichment: References: - https://www.oracle.com/security-alerts/cpuapr2021.html
CVE ID: CVE-2021-2293 State: PUBLISHED Published: 2021-04-22T21:54:00 Last Updated: 2024-09-26T14:11:51.038Z Severity: MEDIUM (CVSS 4.9 CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H) Vendors: Oracle Corporation Products: MySQL Server Problem Types: Easily exploitable vulnerability allows high privileged attacker with network access via multiple protocols to compromise MySQL Server. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Server. Description: Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Stored Procedure). Supported versions that are affected are 8.0.23 and
CVE ID: CVE-2021-2294 State: PUBLISHED Published: 2021-04-22T21:54:00 Last Updated: 2024-09-26T14:11:44.511Z Severity: MEDIUM (CVSS 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L) Vendors: Oracle Corporation Products: WebLogic Server Problem Types: Easily exploitable vulnerability allows unauthenticated attacker with network access via T3, IIOP to compromise Oracle WebLogic Server. Successful attacks of this vulnerability can result in unauthorized update, insert or delete access to some of Oracle WebLogic Server accessible data and unauthorized ability to cause a partial denial of service (partial DOS) of Oracle WebLogic Server. Description: Vulnerability in the Oracle WebLogic Server pro
denial of service (partial DOS) of Oracle WebLogic Server. Description: Vulnerability in the Oracle WebLogic Server product of Oracle Fusion Middleware (component: Core). Supported versions that are affected are 10.3.6.0.0, 12.1.3.0.0, 12.2.1.3.0, 12.2.1.4.0 and 14.1.1.0.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via T3, IIOP to compromise Oracle WebLogic Server. Successful attacks of this vulnerability can result in unauthorized update, insert or delete access to some of Oracle WebLogic Server accessible data and unauthorized ability to cause a partial denial of service (partial DOS) of Oracle WebLogic Server. CVSS 3.1 Base Score 6.5 (Integrity
bility to cause a partial denial of service (partial DOS) of Oracle WebLogic Server. CVSS 3.1 Base Score 6.5 (Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L). Additional Analyst Notes: - CVE Program Container: - CISA ADP Vulnrichment: References: - https://www.oracle.com/security-alerts/cpuapr2021.html