CVE-2025-66686
MEDIUM EPSS 8.5%
Published Jan 7, 20265mo ago · Modified Jun 17, 20261w ago
6.1 CVSS 3.1
Published Jan 7, 2026 5mo ago
Last Modified Jun 17, 2026 1w ago
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.
CVSS Details
Base Score
Exploitability
Impact
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction Required
Scope Changed
Confidentiality Low
Integrity Low
Availability None
Threat Intelligence
EPSS Exploit Probability
8.5% percentile
Exploit & Patch Status
Public Exploit Known
No Patch Available
Weaknesses 1
CWE-79 Cross-site Scripting Injection
Affected Products 1
| Vendor | Product | Version | Range |
|---|---|---|---|
| grabaperch | perch | 3.2 | any |
References 2
- github.com https://github.com/mertdurum06/Perch-v3.2
- github.com https://github.com/mertdurum06/Perch-v3.2/blob/main/Perch%20v3.2_Poc.txt
Remediation
No remediation data recorded yet
Check vendor advisories and the NVD entry for patch availability.