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.
Advisories

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Fixes

Solution

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Workaround

No workaround given by the vendor.

History

Thu, 08 Jan 2026 10:00:00 +0000

Type Values Removed Values Added
First Time appeared Perch
Perch perch Cms
Vendors & Products Perch
Perch perch Cms

Wed, 07 Jan 2026 17:15:00 +0000

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'}


Wed, 07 Jan 2026 17:00:00 +0000

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

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cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2026-01-07T17:09:36.563Z

Reserved: 2025-12-08T00:00:00.000Z

Link: CVE-2025-66686

cve-icon Vulnrichment

Updated: 2026-01-07T17:08:56.872Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-01-07T17:16:01.117

Modified: 2026-01-08T18:08:54.147

Link: CVE-2025-66686

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-01-08T09:49:07Z

Weaknesses