Silverstripe XSS in CMS Edit Page
Date: 2024-05
Affected: composer/silverstripe/framework, composer/silverstripe/framework, composer/silverstripe/framework
Attack vector: xss
Category: vulnerability-disclosure
Severity: Medium
CWE: CWE-79
CVSS: 6.1 (CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N)

Due to a lack of parameter sanitisation a carefully crafted URL could be used to inject arbitrary HTML into the CMS Edit page. An attacker could create a URL and share it with a site administrator to perform an attack.


Mitigations:

Architectural layers (MAESTRO):