VULNERABILITY INTELLIGENCE
CVE-2025-66686
CVSS score6.1 MEDIUM
EPSS probability0.22%
CISA KEVNot currently listed
Published2026-01-07
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Description
A stored Cross-Site Scripting (XSS) vulnerability exists in Perch CMS version 3.2. An authenticated attacker with administrative privileges can inject malicious JavaScript code into the “Help button url” setting within the admin panel. The injected payload is stored and executed when any authenticated user clicks the Help button, potentially leading to session hijacking, information disclosure, privilege escalation, and unauthorized administrative actions.
Weakness classification
- 134c704f-9b21-4f2e-91b3-4a467353bcc0: CWE-79
Primary references
- cve@mitre.org — Exploit
- cve@mitre.org — Exploit, Third Party Advisory