Improper Neutralization of Input During Web Page Generation in Jenkins
Date: 2022-05
Affected: maven/org.jenkins-ci.main:jenkins-core, maven/org.jenkins-ci.main:jenkins-core
Attack vector: xss
Category: vulnerability-disclosure
Severity: Medium
CVE: CVE-2015-7536
CVE-2017-1000392
CVE-2019-10401
CWE: CWE-79
CVSS: 5.4 (CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N)

In Jenkins 2.196 and earlier, LTS 2.176.3 and earlier, the f:expandableTextBox form control interpreted its content as HTML when expanded, resulting in a stored XSS vulnerability exploitable by users with permission to define its contents (typically Job/Configure).


Mitigations:

Architectural layers (MAESTRO):