CVE-2025-61674

4.8 mediumEPSS 0.3%

Medium (4.8) in octobercms october. EPSS 0.3% chance of exploitation in the next 30 days.

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) vulnerability was identified in October CMS backend configuration forms. A user with the Global Editor Settings permission could inject malicious HTML/JS into the stylesheet input at Markup Styles. 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.

Severity

CVSS 3.1

4.8 medium

CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N

EPSS: 0.3% chance of exploitation in the next 30 days; higher than 19% of CVEs (scores of 2026-10-31)
CWE: CWE-79
Published: 2026-01-10
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

octobercms:october

References

https://github.com/octobercms/october/security/advisories/GHSA-gxxc-m74c-f48x

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