Foxit webplugins.foxit.com Stored Cross-Site Scripting via postMessage Vulnerability_CVE-2025-66500

{
    "lastseen": "",
    "description": "A stored cross-site scripting (XSS) vulnerability exists in webplugins.foxit.com. A postMessage handler fails to validate the message origin and directly assigns externalPath to a script source, allowing an attacker to execute arbitrary JavaScript when a crafted postMessage is received.",
    "published": "2025-12-19T07:16:49.986Z",
    "modified": "2025-12-19T07:16:49.986Z",
    "type": "cve",
    "title": "Foxit webplugins.foxit.com Stored Cross-Site Scripting via postMessage Vulnerability",
    "source": "Foxit",
    "references": "https://www.foxit.com/support/security-bulletins.html",
    "id": "CVE-2025-66500",
    "bulletinFamily": "",
    "cwe": [
        "CWE-79"
    ],
    "cvelist": null,
    "sourceData": "Foxit Software Inc. webplugins.foxit.com before 2025\u201112\u201101",
    "sourceHref": "",
    "cvss": {
        "score": 6.3,
        "severity": "MEDIUM",
        "vector": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/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": "webplugins.foxit.com",
    "version": "before 2025\u201112\u201101",
    "vendor": "Foxit Software Inc.",
    "ai_description": "",
    "ai_severity": "",
    "ai_vendor": "",
    "ai_product": "",
    "ai_version": "",
    "ai_score": 0
}