{"id":"CVE-2025-5301","url":"https://www.cyber-defence.io/tools/cve/CVE-2025-5301","generatedAt":"2026-11-02T17:36:46.196Z","title":"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.","description":"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.","published":"2025-06-12T08:15:24.000Z","lastModified":"2026-06-17T09:47:38.000Z","status":"Deferred","sourceIdentifier":"551230f0-3615-47bd-b7cc-93e92e730bbf","cvss":{"version":"3.1","score":6.1,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N"},"cwe":["CWE-79"],"affected":[],"epss":{"score":0.62356,"percentile":0.99185,"date":"2026-11-01","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"urgent","text":"EPSS puts the probability of exploitation in the next 30 days at 62.4%, higher than 99% of all known CVEs. Patch or mitigate before the next change window."},"changes":[],"references":[{"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":"551230f0-3615-47bd-b7cc-93e92e730bbf"},{"url":"http://seclists.org/fulldisclosure/2025/Jun/18","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://sec-consult.com/vulnerability-lab/advisory/reflected-cross-site-scripting-in-onlyoffice-docs-documentserver/","source":"134c704f-9b21-4f2e-91b3-4a467353bcc0"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2025-5301","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}