CVE-2025-66686
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.
Published:Jan 7, 2026
Last Modified:Jan 21, 2026
EPS:Jan 7, 2026
EPSS Score:0.00031
CVSS Score:6.1
Affected Products
Vendor
Product
Action
Vendor
Grabaperch
Product
Perch
Grabaperch
Perch
Vendor
Perch
Product
Perch Cms
Perch
Perch Cms
Exploits
Common Weakness Enumeration
Common Attack Pattern Enumeration and Classification (CAPEC)
Related CVEs
Common Vulnerability Scoring System
Attack Vector
Network
Adjacent
Local
Physical
Privileges Required
None
Low
High
User Interaction
None
Required
Scope
Unchanged
Changed
Confidentiality
None
Low
High
Integrity
None
Low
High
Availability
None
Low
High
