Joomla! Core – [20260503] – XSS in com_contenthistory_CVE-2026-30894

{
    "lastseen": "",
    "description": "Lack of output escaping leads to a XSS vector in the content history component.",
    "published": "2026-05-26T16:42:58.268Z",
    "modified": "2026-05-26T16:42:58.268Z",
    "type": "cve",
    "title": "Joomla! Core - [20260503] - XSS in com_contenthistory",
    "source": "Joomla",
    "references": "https://developer.joomla.org/security-centre/1035-20260503-core-xss-in-com-contenthistory",
    "id": "CVE-2026-30894",
    "bulletinFamily": "",
    "cwe": [
        "CWE-79"
    ],
    "cvelist": null,
    "sourceData": "Joomla! Project Joomla! CMS 3.0.0-5.4.5\nJoomla! Project Joomla! CMS 6.0.0-6.1.0",
    "sourceHref": "",
    "cvss": {
        "score": 6.9,
        "severity": "MEDIUM",
        "vector": "CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:H/VI:L/VA:L/SC:N/SI:N/SA:N",
        "version": "4.0"
    },
    "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": "Joomla! CMS",
    "version": "3.0.0-5.4.5",
    "vendor": "Joomla! Project",
    "ai_description": "",
    "ai_severity": "",
    "ai_vendor": "",
    "ai_product": "",
    "ai_version": "",
    "ai_score": 0
}