VisualData extension: Regular Expression Denial of Service (ReDoS) via crafted user input_CVE-2026-0668

{
    "lastseen": "",
    "description": "Inefficient Regular Expression Complexity vulnerability in Wikimedia Foundation MediaWiki - VisualData Extension allows Regular Expression Exponential Blowup.This issue affects MediaWiki - VisualData Extension: 1.45.",
    "published": "2026-01-07T17:36:19.258Z",
    "modified": "2026-01-07T19:17:41.764Z",
    "type": "cve",
    "title": "VisualData extension: Regular Expression Denial of Service (ReDoS) via crafted user input",
    "source": "wikimedia-foundation",
    "references": "https://phabricator.wikimedia.org/T387008\nhttps://gerrit.wikimedia.org/r/q/Ie08d9a8ceb2c9a22a635cfc27964353f14072dbf\nhttps://gerrit.wikimedia.org/r/q/Ifbf9c2ade621226e14fe852f3217293772bf8bb8\nhttps://gerrit.wikimedia.org/r/q/I893a9fca694a2613e29e149dea2d76d7f06063e5\nhttps://gerrit.wikimedia.org/r/q/I4ff2737c9f0ba805267d1fc8296e7cff61241ee3",
    "id": "CVE-2026-0668",
    "bulletinFamily": "",
    "cwe": [
        "CWE-1333"
    ],
    "cvelist": null,
    "sourceData": "Wikimedia Foundation MediaWiki - VisualData Extension 1.45",
    "sourceHref": "",
    "cvss": {
        "score": 5.3,
        "severity": "MEDIUM",
        "vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L",
        "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": "MediaWiki - VisualData Extension",
    "version": "1.45",
    "vendor": "Wikimedia Foundation",
    "ai_description": "",
    "ai_severity": "",
    "ai_vendor": "",
    "ai_product": "",
    "ai_version": "",
    "ai_score": 0
}