Security Advisory

CVE-2025-61676

CVE vulnerability detail — eXtreme Datacenter Security Operations

Published 2026-01-10 03:14:00

Last updated 2026-01-12 17:34:13

Assigner GitHub_M

State PUBLISHED

Description

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.

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