{"id":"CVE-2026-18371","aliases":["EUVD-2026-62369","GHSA-h853-8cgc-4pxc"],"status":"published","title":"HTML injection in M-Files Web","description":"HTML injection vulnerability in M-Files Web before 26.8.16330.2 allows an authenticated attacker to affect web user interface contents displayed to other users.","severity":{"version":"4.0","score":5.1,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:L/VA:N/SC:N/SI:L/SA:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00396,"percentile":0.3416,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-79"],"published":"2026-08-19T11:46:55Z","modified":"2026-10-22T08:09:59Z","products":[{"vendor":"m-files corporation","product":"m-files web"}],"references":[{"url":"https://empower.m-files.com/security-advisories/CVE-2026-18371","tags":["vendor-advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-18371"},{"url":"https://github.com/advisories/GHSA-h853-8cgc-4pxc"}],"sources":{"cve":[{"id":"CVE-2026-18371","title":"HTML injection in M-Files Web","description":"HTML injection vulnerability in M-Files Web before 26.8.16330.2 allows an authenticated attacker to affect web user interface contents displayed to other users.","status":"published","published":"2026-08-19T11:46:55.089Z","modified":"2026-08-20T15:26:35.465Z","cvss":[{"version":"4.0","score":5.1,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:L/VA:N/SC:N/SI:L/SA:N","level":"medium","assessor":"cna"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:20:12.60856Z"}],"euvd":[{"id":"EUVD-2026-62369","description":"HTML injection vulnerability in M-Files Web before 26.8.16330.2 allows an authenticated attacker to affect web user interface contents displayed to other users.","status":"published","published":"2026-08-19T11:46:55Z","modified":"2026-08-20T15:26:35Z","cvss":[{"version":"4.0","score":5.1,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:L/VA:N/SC:N/SI:L/SA:N","level":"medium"}],"updated_at":"2026-11-02T18:01:40.093236Z"}],"ghsa":[{"id":"GHSA-h853-8cgc-4pxc","title":"HTML injection vulnerability in M-Files Web before 26.8.16330.2 allows an authenticated attacker...","description":"HTML injection vulnerability in M-Files Web before 26.8.16330.2 allows an authenticated attacker to affect web user interface contents displayed to other users.","status":"published","published":"2026-08-19T12:32:23Z","modified":"2026-08-19T12:32:32Z","cvss":[{"version":"4.0","score":5.1,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:L/VA:N/SC:N/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"medium"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T15:10:38.677871Z"}],"nvd":[{"id":"CVE-2026-18371","description":"HTML injection vulnerability in M-Files Web before 26.8.16330.2 allows an authenticated attacker to affect web user interface contents displayed to other users.","status":"published","published":"2026-08-19T12:17:16.9Z","modified":"2026-10-22T08:09:59.87Z","cvss":[{"version":"4.0","score":5.1,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:L/VA:N/SC:N/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"medium","assessor":"secondary"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:12:39.620837Z"}]}}