Grav: Publisher-Level Stored XSS via Unquoted Event Attributes_CVE-2026-42612

{
    "lastseen": "",
    "description": "Grav is a file-based Web platform. Prior to 2.0.0-beta.2, a stored Cross-Site Scripting (XSS) vulnerability in getgrav/grav allows publisher-level accounts to execute arbitrary JavaScript. The issue arises from a blacklist bypass in the detectXss() function when handling unquoted HTML event attributes. This vulnerability is fixed in 2.0.0-beta.2.",
    "published": "2026-05-11T15:22:00.325Z",
    "modified": "2026-05-11T15:22:00.325Z",
    "type": "cve",
    "title": "Grav: Publisher-Level Stored XSS via Unquoted Event Attributes",
    "source": "GitHub_M",
    "references": "https://github.com/getgrav/grav/security/advisories/GHSA-9695-8fr9-hw5q\nhttps://github.com/getgrav/grav/commit/5a12f9be8314682c8713e569e330f11805d0a663",
    "id": "CVE-2026-42612",
    "bulletinFamily": "",
    "cwe": [
        "CWE-79"
    ],
    "cvelist": null,
    "sourceData": "getgrav grav < 2.0.0-beta.2",
    "sourceHref": "",
    "cvss": {
        "score": 8.5,
        "severity": "HIGH",
        "vector": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N",
        "version": "3.1"
    },
    "cvss2": [],
    "cvss3": {
        "version": "",
        "vectorString": "",
        "baseScore": 0,
        "baseSeverity": "",
        "attackVector": "",
        "attackComplexity": "",
        "privilegesRequired": "",
        "userInteraction": "",
        "scope": "",
        "confidentialityImpact": "",
        "integrityImpact": "",
        "availabilityImpact": "",
        "cvssV3": {
            "version": "",
            "vectorString": "",
            "baseScore": 0,
            "baseSeverity": "",
            "attackVector": "",
            "attackComplexity": "",
            "privilegesRequired": "",
            "userInteraction": "",
            "scope": "",
            "confidentialityImpact": "",
            "integrityImpact": "",
            "availabilityImpact": ""
        }
    },
    "href": "",
    "category_name": "CVE",
    "post_link": "",
    "product": "grav",
    "version": "< 2.0.0-beta.2",
    "vendor": "getgrav",
    "ai_description": "Stored Cross-Site Scripting (XSS) vulnerability allowing publisher-level accounts to execute arbitrary JavaScript",
    "ai_severity": "High",
    "ai_vendor": "getgrav",
    "ai_product": "Grav",
    "ai_version": "< 2.0.0-beta.2",
    "ai_score": 8.5
}