{"id":"CVE-2025-65778","aliases":["EUVD-2025-203374","GHSA-9hv3-wvf3-ffmp"],"status":"published","title":"An issue was discovered in Wekan The Open Source kanban board system up to version 18.15, fixed...","description":"An issue was discovered in Wekan The Open Source kanban board system up to version 18.15, fixed in 18.16. Uploaded attachments can be served with attacker-controlled Content-Type (text/html), allowing execution of attacker-supplied HTML/JS in the application's origin and enabling session/token theft and CSRF actions.","severity":{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.00379,"percentile":0.32141,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-79"],"published":"2025-12-15T00:00:00Z","modified":"2026-10-28T02:30:44Z","products":[{"vendor":"wekan_project","product":"wekan"}],"references":[{"url":"https://github.com/wekan/wekan","tags":["Product","package"]},{"url":"https://wekan.fi/hall-of-fame/spacebleed/","tags":["Vendor Advisory","web"]},{"url":"https://github.com/wekan/wekan/commit/e9a727301d7b4f1689a703503df668c0f4f4cab8","tags":["Patch","fix"]},{"url":"https://github.com/wekan/wekan/blob/main/CHANGELOG.md#v816-2025-11-02-wekan--release","tags":["Release Notes","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-65778","tags":["advisory"]},{"url":"https://wekan.fi/hall-of-fame/spacebleed"},{"url":"https://github.com/advisories/GHSA-9hv3-wvf3-ffmp"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/65xxx/CVE-2025-65778.json","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2025-65778","description":"An issue was discovered in Wekan The Open Source kanban board system up to version 18.15, fixed in 18.16. Uploaded attachments can be served with attacker-controlled Content-Type (text/html), allowing execution of attacker-supplied HTML/JS in the application's origin and enabling session/token theft and CSRF actions.","status":"published","published":"2025-12-15T00:00:00Z","modified":"2025-12-16T15:41:59.259Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N","level":"high","assessor":"adp"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:32:26.64278Z"}],"euvd":[{"id":"EUVD-2025-203374","description":"An issue was discovered in Wekan The Open Source kanban board system up to version 18.15, fixed in 18.16. Uploaded attachments can be served with attacker-controlled Content-Type (text/html), allowing execution of attacker-supplied HTML/JS in the application's origin and enabling session/token theft and CSRF actions.","status":"published","published":"2025-12-15T00:00:00Z","modified":"2025-12-16T15:41:59Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N","level":"high"}],"updated_at":"2026-11-02T19:49:05.078672Z"}],"ghsa":[{"id":"GHSA-9hv3-wvf3-ffmp","title":"An issue was discovered in Wekan The Open Source kanban board system up to version 18.15, fixed...","description":"An issue was discovered in Wekan The Open Source kanban board system up to version 18.15, fixed in 18.16. Uploaded attachments can be served with attacker-controlled Content-Type (text/html), allowing execution of attacker-supplied HTML/JS in the application's origin and enabling session/token theft and CSRF actions.","status":"published","published":"2025-12-15T15:30:31Z","modified":"2025-12-16T18:32:38Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N","level":"high"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T15:05:14.033595Z"}],"nvd":[{"id":"CVE-2025-65778","description":"An issue was discovered in Wekan The Open Source kanban board system up to version 18.15, fixed in 18.16. Uploaded attachments can be served with attacker-controlled Content-Type (text/html), allowing execution of attacker-supplied HTML/JS in the application's origin and enabling session/token theft and CSRF actions.","status":"published","published":"2025-12-15T14:15:57.227Z","modified":"2026-10-14T13:10:00.187Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N","level":"high","assessor":"primary"},{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N","level":"high","assessor":"secondary"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:11:50.400521Z"}],"osv":[{"id":"CVE-2025-65778","description":"An issue was discovered in Wekan The Open Source kanban board system up to version 18.15, fixed in 18.16. Uploaded attachments can be served with attacker-controlled Content-Type (text/html), allowing execution of attacker-supplied HTML/JS in the application's origin and enabling session/token theft and CSRF actions.","status":"published","published":"2025-12-15T00:00:00Z","modified":"2026-10-28T02:30:44.690092825Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N","level":"high"}],"updated_at":"2026-11-02T15:44:52.202386Z"}]}}