{"affected":[{"affectedData":[{"defaultStatus":"unaffected","product":"Docs (DocumentServer)","vendor":"OnlyOffice","versions":[{"status":"affected","version":"<=8.3.1"}]}],"source":"551230f0-3615-47bd-b7cc-93e92e730bbf"}],"cveTags":[],"descriptions":[{"lang":"en","value":"ONLYOFFICE Docs (DocumentServer) in versions equal and below 8.3.1 are affected by a reflected cross-site scripting (XSS) issue when opening files via the WOPI protocol. Attackers could inject malicious scripts via crafted HTTP POST requests, which are then reflected in the server's HTML response."},{"lang":"es","value":"ONLYOFFICE Docs (DocumentServer) en versiones iguales o inferiores a la 8.3.1 se ve afectado por un problema de cross-site scripting (XSS) al abrir archivos mediante el protocolo WOPI. Los atacantes podrían inyectar scripts maliciosos mediante solicitudes HTTP POST manipuladas, que posteriormente se reflejan en la respuesta HTML del servidor."}],"id":"CVE-2025-5301","lastModified":"2026-06-17T09:47:38.483","metrics":{"cvssMetricV31":[{"cvssData":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":6.1,"baseSeverity":"MEDIUM","confidentialityImpact":"LOW","integrityImpact":"LOW","privilegesRequired":"NONE","scope":"CHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","version":"3.1"},"exploitabilityScore":2.8,"impactScore":2.7,"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","type":"Secondary"}],"ssvcV203":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","ssvcData":{"id":"CVE-2025-5301","options":[{"exploitation":"poc"},{"automatable":"no"},{"technicalImpact":"partial"}],"role":"CISA Coordinator","timestamp":"2025-06-12T13:45:27.605229Z","version":"2.0.3"}}]},"published":"2025-06-12T08:15:23.603","references":[{"source":"551230f0-3615-47bd-b7cc-93e92e730bbf","url":"https://github.com/ONLYOFFICE/DocumentServer/blob/master/CHANGELOG.md#832"},{"source":"551230f0-3615-47bd-b7cc-93e92e730bbf","url":"https://r.sec-consult.com/onlyoffice"},{"source":"af854a3a-2127-422b-91ae-364da2661108","url":"http://seclists.org/fulldisclosure/2025/Jun/18"},{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","url":"https://sec-consult.com/vulnerability-lab/advisory/reflected-cross-site-scripting-in-onlyoffice-docs-documentserver/"}],"sourceIdentifier":"551230f0-3615-47bd-b7cc-93e92e730bbf","vulnStatus":"Deferred","weaknesses":[{"description":[{"lang":"en","value":"CWE-79"}],"source":"551230f0-3615-47bd-b7cc-93e92e730bbf","type":"Secondary"}]}