PyroCMS vulnerable to stored Cross Site Scripting
Date: 2022-11
Affected: composer/pyrocms/pyrocms
Attack vector: xss
Category: vulnerability-disclosure
Severity: Critical
CVE: CVE-2022-37721
CWE: CWE-79
CVSS: 9 (CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H)

PyroCMS 3.9 is vulnerable to a stored Cross Site Scripting (XSS) when a low privileged user, such as an author, injects a crafted html and javascript payload in a blog post, leading to full admin account takeover or privilege escalation.


Mitigations:

Architectural layers (MAESTRO):