Stored XSS through a system message in FlexDiagrams_CVE-2025-62670

{
    "lastseen": "",
    "description": "Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in The Wikimedia Foundation Mediawiki - FlexDiagrams Extension allows Stored XSS.This issue affects Mediawiki - FlexDiagrams Extension: master.",
    "published": "2025-10-18T04:29:48.409Z",
    "modified": "2025-10-18T04:29:48.409Z",
    "type": "cve",
    "title": "Stored XSS through a system message in FlexDiagrams",
    "source": "wikimedia-foundation",
    "references": "https://gerrit.wikimedia.org/r/c/mediawiki/extensions/FlexDiagrams/+/1179692\nhttps://phabricator.wikimedia.org/T402149",
    "id": "CVE-2025-62670",
    "bulletinFamily": "",
    "cwe": [
        "CWE-79"
    ],
    "cvelist": null,
    "sourceData": "The Wikimedia Foundation Mediawiki - FlexDiagrams Extension master",
    "sourceHref": "",
    "cvss": {
        "score": 6.9,
        "severity": "MEDIUM",
        "vector": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:L/SI:L/SA:L",
        "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": "Mediawiki - FlexDiagrams Extension",
    "version": "master",
    "vendor": "The Wikimedia Foundation",
    "ai_description": "",
    "ai_severity": "",
    "ai_vendor": "",
    "ai_product": "",
    "ai_version": "",
    "ai_score": 0
}