{"id":"CVE-2021-27237","aliases":["EUVD-2021-14002","GHSA-wmxf-4m6r-mvjr"],"status":"published","title":"The admin panel in BlackCat CMS 1.3.6 allows stored XSS (by an admin) via the Display Name field...","description":"The admin panel in BlackCat CMS 1.3.6 allows stored XSS (by an admin) via the Display Name field to backend/preferences/ajax_save.php.","severity":{"version":"3.1","score":4.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.0096,"percentile":0.61809,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-79"],"published":"2021-02-16T18:23:00Z","modified":"2026-10-20T10:54:35Z","products":[{"vendor":"blackcat-cms","product":"blackcat_cms"}],"references":[{"url":"https://github.com/BlackCatDevelopment/BlackCatCMS/commits/release-1.4/upload/backend/preferences/ajax_save.php","tags":["x_refsource_MISC","x_transferred","Patch","Third Party Advisory","fix"]},{"url":"https://github.com/BlackCatDevelopment/BlackCatCMS/compare/1.3.6...1.4Beta","tags":["x_refsource_MISC","x_transferred","Patch","Third Party Advisory","fix"]},{"url":"https://www.exploit-db.com/exploits/49565","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory","VDB Entry","evidence"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-27237"},{"url":"https://github.com/advisories/GHSA-wmxf-4m6r-mvjr"}],"sources":{"cve":[{"id":"CVE-2021-27237","description":"The admin panel in BlackCat CMS 1.3.6 allows stored XSS (by an admin) via the Display Name field to backend/preferences/ajax_save.php.","status":"published","published":"2021-02-16T18:23:00Z","modified":"2024-08-03T20:48:15.821Z","updated_at":"2026-11-02T14:33:04.360272Z"}],"euvd":[{"id":"EUVD-2021-14002","description":"The admin panel in BlackCat CMS 1.3.6 allows stored XSS (by an admin) via the Display Name field to backend/preferences/ajax_save.php.","status":"published","published":"2021-02-16T18:23:00Z","modified":"2024-08-03T20:48:15Z","updated_at":"2026-11-03T03:24:49.808499Z"}],"ghsa":[{"id":"GHSA-wmxf-4m6r-mvjr","title":"The admin panel in BlackCat CMS 1.3.6 allows stored XSS (by an admin) via the Display Name field...","description":"The admin panel in BlackCat CMS 1.3.6 allows stored XSS (by an admin) via the Display Name field to backend/preferences/ajax_save.php.","status":"published","published":"2022-05-24T17:42:23Z","modified":"2023-01-29T05:05:47Z","cwes":["CWE-79"],"updated_at":"2026-11-02T14:45:52.34362Z"}],"nvd":[{"id":"CVE-2021-27237","description":"The admin panel in BlackCat CMS 1.3.6 allows stored XSS (by an admin) via the Display Name field to backend/preferences/ajax_save.php.","status":"published","published":"2021-02-16T19:15:13.01Z","modified":"2026-06-17T03:44:31.37Z","cvss":[{"version":"3.1","score":4.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"primary"},{"version":"2.0","score":3.5,"vector":"AV:N/AC:M/Au:S/C:N/I:P/A:N","level":"low","assessor":"primary"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:06:50.031227Z"}],"osv":[{"id":"CVE-2021-27237","description":"The admin panel in BlackCat CMS 1.3.6 allows stored XSS (by an admin) via the Display Name field to backend/preferences/ajax_save.php.","status":"published","published":"2021-02-16T19:15:13.01Z","modified":"2026-10-20T10:54:35.066916205Z","cvss":[{"version":"3.1","score":4.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N","level":"medium"}],"updated_at":"2026-11-02T15:44:18.778776Z"}]}}