{"id":"CVE-2025-61676","state":"PUBLISHED","title":"October CMS Vulnerable to Stored XSS via Branding Styles","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.","publishedAt":"2026-01-10T03:14:00.708Z","updatedAt":"2026-01-12T17:34:13.595Z","severity":{"score":6.1,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:N","source":"GitHub_M"},"assigner":"GitHub_M","products":["octobercms october"],"affected":[{"vendor":"octobercms","product":"october","versions":[{"version":">= 4.0.0, < 4.0.12","status":"affected"},{"version":"< 3.7.13","status":"affected"}]}],"references":["https://github.com/octobercms/october/security/advisories/GHSA-wvpq-h33f-8rp6"],"weaknesses":["CWE-79"],"ingestedAt":"2026-10-29T20:09:48.677Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2025/61xxx/CVE-2025-61676.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2025-61676","state":"PUBLISHED","datePublished":"2026-01-10T03:14:00.708Z","dateUpdated":"2026-01-12T17:34:13.595Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2025-09-29T20:25:16.181Z"},"containers":{"cna":{"title":"October CMS Vulnerable to Stored XSS via Branding Styles","descriptions":[{"lang":"en","value":"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."}],"affected":[{"vendor":"octobercms","product":"october","versions":[{"version":">= 4.0.0, < 4.0.12","status":"affected"},{"version":"< 3.7.13","status":"affected"}]}],"references":[{"url":"https://github.com/octobercms/october/security/advisories/GHSA-wvpq-h33f-8rp6","name":"https://github.com/octobercms/october/security/advisories/GHSA-wvpq-h33f-8rp6","tags":["x_refsource_CONFIRM"]}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":6.1,"baseSeverity":"MEDIUM","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"HIGH","scope":"UNCHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:N","version":"3.1"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-79","lang":"en","description":"CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')","type":"CWE"}]}],"providerMetadata":{"shortName":"GitHub_M","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateUpdated":"2026-01-10T03:14:00.708Z"},"source":{"advisory":"GHSA-wvpq-h33f-8rp6","discovery":"UNKNOWN"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-01-12T17:34:07.235707Z","id":"CVE-2025-61676","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-01-12T17:34:13.595Z"}}]}}}