{"id":"CVE-2025-45091","aliases":["EUVD-2025-29236","GHSA-55q7-6rw6-qr99","UBUNTU-CVE-2025-45091"],"status":"published","title":"Seafile versions 11.0.18-Pro, 12.0.10, and 12.0.10-Pro are vulnerable to a stored Cross-Site...","description":"Seafile versions 11.0.18-Pro, 12.0.10, and 12.0.10-Pro are vulnerable to a stored Cross-Site Scripting (XSS) attack. An authenticated attacker can exploit this vulnerability by modifying their username to include a malicious XSS payload in notification and activities.","severity":{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N","level":"medium","assessor":"adp","from":"cve"},"epss":{"day":"2026-11-10","score":0.00206,"percentile":0.1067,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-79"],"published":"2025-09-15T00:00:00Z","modified":"2026-11-05T23:10:00Z","affected":[{"source":"osv","ecosystem":"Ubuntu:18.04:LTS","package":"seafile","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["6.0.7-1build1","6.1.1-1","6.1.3-1","6.1.4-1","6.1.5-1"]},{"source":"osv","ecosystem":"Ubuntu:20.04:LTS","package":"seafile","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["6.2.11-1","6.2.11-1build1","7.0.2-1","7.0.4-2","7.0.4-4","7.0.5-1","7.0.5-2","7.0.6-1"]},{"source":"osv","ecosystem":"Ubuntu:22.04:LTS","package":"seafile","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["7.0.10-1","8.0.4-1","8.0.5-1"]},{"source":"osv","ecosystem":"Ubuntu:24.04:LTS","package":"seafile","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["9.0.3-1","9.0.4-1","9.0.4-1.1build2","9.0.4-1.1build3"]},{"source":"osv","ecosystem":"Ubuntu:25.10","package":"seafile","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["9.0.12-2","9.0.13-1"]},{"source":"osv","ecosystem":"Ubuntu:26.10","package":"seafile","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["9.0.16-1","9.0.18-2","9.0.20-1"]},{"source":"osv","ecosystem":"Ubuntu:26.04:LTS","package":"seafile","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["9.0.13-1","9.0.15-1","9.0.16-1"]}],"references":[{"url":"https://plus.seafile.com/wiki/publish/seafile-wiki/txzO/","tags":["report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-45091"},{"url":"https://plus.seafile.com/wiki/publish/seafile-wiki/txzO"},{"url":"https://github.com/advisories/GHSA-55q7-6rw6-qr99"},{"url":"https://ubuntu.com/security/CVE-2025-45091","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2025-45091","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2025-45091","description":"Seafile versions 11.0.18-Pro, 12.0.10, and 12.0.10-Pro are vulnerable to a stored Cross-Site Scripting (XSS) attack. An authenticated attacker can exploit this vulnerability by modifying their username to include a malicious XSS payload in notification and activities.","status":"published","published":"2025-09-15T00:00:00Z","modified":"2025-09-15T20:09:23.178Z","cvss":[{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N","level":"medium","assessor":"adp"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:32:36.385228Z"}],"euvd":[{"id":"EUVD-2025-29236","description":"Seafile versions 11.0.18-Pro, 12.0.10, and 12.0.10-Pro are vulnerable to a stored Cross-Site Scripting (XSS) attack. An authenticated attacker can exploit this vulnerability by modifying their username to include a malicious XSS payload in notification and activities.","status":"published","published":"2025-09-15T00:00:00Z","modified":"2025-09-15T20:09:23Z","cvss":[{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N","level":"medium"}],"updated_at":"2026-11-02T20:31:43.516497Z"}],"ghsa":[{"id":"GHSA-55q7-6rw6-qr99","title":"Seafile versions 11.0.18-Pro, 12.0.10, and 12.0.10-Pro are vulnerable to a stored Cross-Site...","description":"Seafile versions 11.0.18-Pro, 12.0.10, and 12.0.10-Pro are vulnerable to a stored Cross-Site Scripting (XSS) attack. An authenticated attacker can exploit this vulnerability by modifying their username to include a malicious XSS payload in notification and activities.","status":"published","published":"2025-09-15T21:30:55Z","modified":"2025-09-15T21:31:07Z","cvss":[{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N","level":"medium"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T15:03:37.643927Z"}],"nvd":[{"id":"CVE-2025-45091","description":"Seafile versions 11.0.18-Pro, 12.0.10, and 12.0.10-Pro are vulnerable to a stored Cross-Site Scripting (XSS) attack. An authenticated attacker can exploit this vulnerability by modifying their username to include a malicious XSS payload in notification and activities.","status":"published","published":"2025-09-15T20:15:37.593Z","modified":"2026-11-05T23:10:00.15Z","cvss":[{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N","level":"medium","assessor":"secondary"}],"cwes":["CWE-79"],"updated_at":"2026-11-06T01:57:37.498693Z"}],"osv":[{"id":"UBUNTU-CVE-2025-45091","description":"Seafile versions 11.0.18-Pro, 12.0.10, and 12.0.10-Pro are vulnerable to a stored Cross-Site Scripting (XSS) attack. An authenticated attacker can exploit this vulnerability by modifying their username to include a malicious XSS payload in notification and activities.","status":"published","published":"2025-09-15T20:15:00Z","modified":"2026-10-17T12:57:03.714283261Z","cvss":[{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N","level":"medium"}],"updated_at":"2026-11-02T16:55:50.31802Z"}]}}