{"id":"CVE-2025-66500","state":"PUBLISHED","title":"Foxit webplugins.foxit.com Stored Cross-Site Scripting via postMessage Vulnerability","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.","publishedAt":"2025-12-19T07:16:49.986Z","updatedAt":"2025-12-19T17:14:25.933Z","severity":{"score":6.3,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:L/A:N","source":"Foxit"},"assigner":"Foxit","products":["Foxit Software Inc. webplugins.foxit.com"],"affected":[{"vendor":"Foxit Software Inc.","product":"webplugins.foxit.com","defaultStatus":"unaffected","versions":[{"version":"before 2025‑12‑01","status":"affected"}]}],"references":["https://www.foxit.com/support/security-bulletins.html"],"weaknesses":["CWE-79"],"ingestedAt":"2026-10-29T20:09:56.034Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2025/66xxx/CVE-2025-66500.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2025-66500","state":"PUBLISHED","datePublished":"2025-12-19T07:16:49.986Z","dateUpdated":"2025-12-19T17:14:25.933Z","assignerShortName":"Foxit","assignerOrgId":"14984358-7092-470d-8f34-ade47a7658a2","dateReserved":"2025-12-03T01:33:55.298Z"},"containers":{"cna":{"title":"Foxit webplugins.foxit.com Stored Cross-Site Scripting via postMessage Vulnerability","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."}],"affected":[{"vendor":"Foxit Software Inc.","product":"webplugins.foxit.com","defaultStatus":"unaffected","versions":[{"version":"before 2025‑12‑01","status":"affected"}]}],"references":[{"url":"https://www.foxit.com/support/security-bulletins.html"}],"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":{"shortName":"Foxit","orgId":"14984358-7092-470d-8f34-ade47a7658a2","dateUpdated":"2025-12-19T09:27:02.620Z"},"credits":[{"lang":"en","type":"finder","value":"Novee"}],"impacts":[{"descriptions":[{"lang":"en","value":"Potential arbitrary JavaScript execution"}]}],"source":{"discovery":"UNKNOWN"},"x_generator":{"engine":"Vulnogram 0.5.0"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2025-12-19T17:12:37.236206Z","id":"CVE-2025-66500","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2025-12-19T17:14:25.933Z"}}]}}}