Complete content leak of private wikis due to PasswordReset Wikitext injection in error message_CVE-2025-6590

{
    "lastseen": "",
    "description": "Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Wikimedia Foundation MediaWiki. This vulnerability is associated with program files includes/htmlform/fields/HTMLUserTextField.Php.\n\nThis issue affects MediaWiki: from * through 1.39.12, 1.42.76 1.43.1, 1.44.0.",
    "published": "2026-02-02T23:03:07.979Z",
    "modified": "2026-02-02T23:03:07.979Z",
    "type": "cve",
    "title": "Complete content leak of private wikis due to PasswordReset Wikitext injection in error message",
    "source": "wikimedia-foundation",
    "references": "https://phabricator.wikimedia.org/T392746",
    "id": "CVE-2025-6590",
    "bulletinFamily": "",
    "cwe": [
        "CWE-200"
    ],
    "cvelist": null,
    "sourceData": "Wikimedia Foundation MediaWiki *",
    "sourceHref": "",
    "cvss": {
        "score": 4.6,
        "severity": "MEDIUM",
        "vector": "CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:A/VC:L/VI:N/VA:N/SC:H/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": "MediaWiki",
    "version": "*",
    "vendor": "Wikimedia Foundation",
    "ai_description": "",
    "ai_severity": "",
    "ai_vendor": "",
    "ai_product": "",
    "ai_version": "",
    "ai_score": 0
}