October CMS Vulnerable to Stored XSS via Branding Styles_CVE-2025-61676

{
    "lastseen": "",
    "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.",
    "published": "2026-01-10T03:14:00.708Z",
    "modified": "2026-01-10T03:14:00.708Z",
    "type": "cve",
    "title": "October CMS Vulnerable to Stored XSS via Branding Styles",
    "source": "GitHub_M",
    "references": "https://github.com/octobercms/october/security/advisories/GHSA-wvpq-h33f-8rp6",
    "id": "CVE-2025-61676",
    "bulletinFamily": "",
    "cwe": [
        "CWE-79"
    ],
    "cvelist": null,
    "sourceData": "octobercms october >= 4.0.0, < 4.0.12\noctobercms october < 3.7.13",
    "sourceHref": "",
    "cvss": {
        "score": 6.1,
        "severity": "MEDIUM",
        "vector": "CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:N",
        "version": "3.1"
    },
    "cvss2": [],
    "cvss3": {
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        "vectorString": "",
        "baseScore": 0,
        "baseSeverity": "",
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        "attackComplexity": "",
        "privilegesRequired": "",
        "userInteraction": "",
        "scope": "",
        "confidentialityImpact": "",
        "integrityImpact": "",
        "availabilityImpact": "",
        "cvssV3": {
            "version": "",
            "vectorString": "",
            "baseScore": 0,
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        }
    },
    "href": "",
    "category_name": "CVE",
    "post_link": "",
    "product": "october",
    "version": ">= 4.0.0, < 4.0.12",
    "vendor": "octobercms",
    "ai_description": "",
    "ai_severity": "",
    "ai_vendor": "",
    "ai_product": "",
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    "ai_score": 0
}