{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2025-66500", "assignerOrgId": "14984358-7092-470d-8f34-ade47a7658a2", "state": "PUBLISHED", "assignerShortName": "Foxit", "dateReserved": "2025-12-03T01:33:55.298Z", "datePublished": "2025-12-19T07:16:49.986Z", "dateUpdated": "2025-12-19T07:16:49.986Z"}, "containers": {"cna": {"affected": [{"defaultStatus": "unaffected", "product": "webplugins.foxit.com", "vendor": "Foxit Software Inc.", "versions": [{"status": "affected", "version": "before 2025\u201112\u201101"}]}], "credits": [{"lang": "en", "type": "finder", "value": "thisis0xczar from Novee.io"}], "descriptions": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "A stored cross-site scripting (XSS) vulnerability exists in <strong>webplugins.foxit.com</strong>. A postMessage handler fails to validate the message origin and directly assigns externalPath to a script source, allowing an attacker to execute <strong>arbitrary JavaScript</strong> when a crafted postMessage is received."}], "value": "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."}], "impacts": [{"descriptions": [{"lang": "en", "value": "Potential arbitrary JavaScript execution"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 6.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:L/A:N", "version": "3.1"}, "format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "problemTypes": [{"descriptions": [{"cweId": "CWE-79", "description": "CWE-79 Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting')", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"orgId": "14984358-7092-470d-8f34-ade47a7658a2", "shortName": "Foxit", "dateUpdated": "2025-12-19T07:16:49.986Z"}, "references": [{"url": "https://www.foxit.com/support/security-bulletins.html"}], "source": {"discovery": "UNKNOWN"}, "title": "Foxit webplugins.foxit.com Stored Cross-Site Scripting via postMessage Vulnerability", "x_generator": {"engine": "Vulnogram 0.5.0"}}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "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."}], "id": "CVE-2025-66500", "lastModified": "2025-12-19T08:15:52.963", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 6.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 2.1, "impactScore": 4.2, "source": "14984358-7092-470d-8f34-ade47a7658a2", "type": "Secondary"}]}, "published": "2025-12-19T08:15:52.963", "references": [{"source": "14984358-7092-470d-8f34-ade47a7658a2", "url": "https://www.foxit.com/support/security-bulletins.html"}], "sourceIdentifier": "14984358-7092-470d-8f34-ade47a7658a2", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-79"}], "source": "14984358-7092-470d-8f34-ade47a7658a2", "type": "Secondary"}]}

{}

{}