{"id":"CVE-2023-53923","aliases":["EUVD-2023-60208","GHSA-33jq-r57w-5666"],"status":"published","title":"UliCMS 2023.1 Privilege Escalation via Unauthenticated Admin Account Creation","description":"UliCMS 2023.1 contains a privilege escalation vulnerability that allows unauthenticated attackers to create administrative accounts through the UserController endpoint. Attackers can send a crafted POST request to /dist/admin/index.php with specific parameters to generate a new admin user with full system access.","severity":{"version":"4.0","score":9.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"critical","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.00554,"percentile":0.46724,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-862"],"published":"2025-12-17T22:44:54Z","modified":"2026-06-17T06:46:20Z","products":[{"vendor":"ulicms","product":"ulicms"}],"references":[{"url":"https://www.exploit-db.com/exploits/51433","tags":["exploit","Exploit"]},{"url":"https://web.archive.org/web/20230314183734/https://en.ulicms.de/","tags":["product","Product"]},{"url":"https://www.vulncheck.com/advisories/ulicms-privilege-escalation-via-unauthenticated-admin-account-creation","tags":["third-party-advisory","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-53923"},{"url":"https://web.archive.org/web/20230314183734/https://en.ulicms.de"},{"url":"https://github.com/advisories/GHSA-33jq-r57w-5666"}],"sources":{"cve":[{"id":"CVE-2023-53923","title":"UliCMS 2023.1 Privilege Escalation via Unauthenticated Admin Account Creation","description":"UliCMS 2023.1 contains a privilege escalation vulnerability that allows unauthenticated attackers to create administrative accounts through the UserController endpoint. Attackers can send a crafted POST request to /dist/admin/index.php with specific parameters to generate a new admin user with full system access.","status":"published","published":"2025-12-17T22:44:54.318Z","modified":"2026-04-07T14:07:45.455Z","cvss":[{"version":"4.0","score":9.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"critical","assessor":"cna"},{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"cna"}],"cwes":["CWE-862"],"updated_at":"2026-11-02T14:35:30.851125Z"}],"euvd":[{"id":"EUVD-2023-60208","description":"UliCMS 2023.1 contains a privilege escalation vulnerability that allows unauthenticated attackers to create administrative accounts through the UserController endpoint. Attackers can send a crafted POST request to /dist/admin/index.php with specific parameters to generate a new admin user with full system access.","status":"published","published":"2025-12-17T22:44:54Z","modified":"2026-04-07T14:07:45Z","cvss":[{"version":"4.0","score":9.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"critical"}],"updated_at":"2026-11-02T19:25:13.335741Z"}],"ghsa":[{"id":"GHSA-33jq-r57w-5666","title":"UliCMS 2023.1 contains a privilege escalation vulnerability that allows unauthenticated attackers...","description":"UliCMS 2023.1 contains a privilege escalation vulnerability that allows unauthenticated attackers to create administrative accounts through the UserController endpoint. Attackers can send a crafted POST request to /dist/admin/index.php with specific parameters to generate a new admin user with full system access.","status":"published","published":"2025-12-18T00:34:07Z","modified":"2025-12-18T00:34:15Z","cvss":[{"version":"4.0","score":9.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/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":"critical"},{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-862"],"updated_at":"2026-11-02T15:05:15.720894Z"}],"nvd":[{"id":"CVE-2023-53923","description":"UliCMS 2023.1 contains a privilege escalation vulnerability that allows unauthenticated attackers to create administrative accounts through the UserController endpoint. Attackers can send a crafted POST request to /dist/admin/index.php with specific parameters to generate a new admin user with full system access.","status":"published","published":"2025-12-17T23:15:51.43Z","modified":"2026-06-17T06:46:20.583Z","cvss":[{"version":"4.0","score":9.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/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":"critical","assessor":"secondary"},{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"secondary"}],"cwes":["CWE-862"],"updated_at":"2026-11-02T14:09:26.50087Z"}]}}