CVE-2025-66686

Published Jan 7, 2026 CVSS 3.1 · 6.1 Medium EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Grabaperch
Grabaperch perch
CPEs cpe:2.3:a:grabaperch:perch:3.2:*:*:*:*:*:*:*
Vendors & Products Grabaperch
Grabaperch perch
Type Values Removed Values Added
First Time appeared Perch
Perch perch Cms
Vendors & Products Perch
Perch perch Cms
Type Values Removed Values Added
Weaknesses CWE-79
Metrics cvssV3_1

{'score': 6.1, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
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.
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
mitre
Published
Updated
Jan 7, 2026, 5:09 PM
Reserved
Dec 8, 2025, 12:00 AM
Status
Analyzed
Published
Jan 7, 2026, 5:16 PM
Modified
Nov 4, 2026, 10:10 PM