Vulnerabilities
Vulnerable Software

Vulnerability Details CVE-2025-61676

October is a Content Management System (CMS) and web platform. Prior to versions 3.7.13 and 4.0.12, a cross-site scripting (XSS) vulnerabilities was identified in October CMS backend configuration forms. A user with the Customize Backend Styles permission could inject malicious HTML/JS into the stylesheet input at Styles from Branding & Appearance settings. A specially crafted input could break out of the intended <style> context, allowing arbitrary script execution across backend pages for all users. This issue has been patched in versions 3.7.13 and 4.0.12.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.0
EPSS Ranking 12.1%
CVSS Severity
CVSS v3 Score 6.1
Products affected by CVE-2025-61676


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