Is CVE-2025-61676 actively exploited?

CVE-2025-61676 has no public evidence of in-the-wild exploitation as of 2026-01-20.

What is the CVSS score for CVE-2025-61676?

CVE-2025-61676 has a CVSS score of 6.1 (MEDIUM severity). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:N.

How do I patch CVE-2025-61676?

Patch guidance is available from octobercms security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2025-61676.

CVE-2025-61676 - remediation guidance & executive summary

Q: Which products are affected by CVE-2025-61676?

2 products: octobercms october, octobercms october.

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.

CVSS Metrics

Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:N
Attack Vector: network
Complexity: low
Privileges: high
User Action: required
Scope: unchanged
Confidentiality: high
Integrity: high
Availability: none
Weaknesses: CWE-79 · Cross-site Scripting (XSS)

Metadata

Primary Vendor: OCTOBERCMS
Published: 1/10/2026
Last Modified: 1/20/2026
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

CVE-2025-61676

Description

CVSS Metrics

Metadata

Affected Products

Remediation Guidance

Executive Summary