{"id":"CVE-2021-34621","aliases":["EUVD-2021-21271","GHSA-h9qm-fw5r-9vmm"],"status":"published","title":"ProfilePress 3.0 - 3.1.3 - Unauthenticated Privilege Escalation","description":"A vulnerability in the user registration component found in the ~/src/Classes/RegistrationAuth.php file of the ProfilePress WordPress plugin made it possible for users to register on sites as an administrator. This issue affects versions 3.0.0 - 3.1.3. .","severity":{"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","from":"cve"},"epss":{"day":"2026-11-12","score":0.68862,"percentile":0.99358,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"cwes":["CWE-269","CWE-306"],"published":"2021-07-07T12:21:16Z","modified":"2026-06-17T03:56:14Z","exploits":[{"source":"exploitdb","id":"EDB-50242","title":"WordPress Plugin ProfilePress 3.1.3 - Privilege Escalation (Unauthenticated)","type":"webapps","platform":"php","date":"2021-08-31","url":"https://www.exploit-db.com/exploits/50242"},{"source":"nuclei","id":"CVE-2021-34621","title":"WordPress ProfilePress  3.0.0-3.1.3 - Admin User Creation Weakness","type":"detection template","url":"https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2021/CVE-2021-34621.yaml"},{"source":"pocgithub","id":"RandomRobbieBF/CVE-2021-34621","title":"RandomRobbieBF/CVE-2021-34621","date":"2023-08-09","url":"https://github.com/RandomRobbieBF/CVE-2021-34621"},{"source":"pocgithub","id":"navreet1425/CVE-2021-34621","title":"navreet1425/CVE-2021-34621","date":"2023-09-30","url":"https://github.com/navreet1425/CVE-2021-34621"}],"products":[{"vendor":"profilepress","product":"profilepress"},{"vendor":"profilepress membership team","product":"profilepress"},{"vendor":"properfraction","product":"profilepress"}],"references":[{"url":"https://www.wordfence.com/blog/2021/06/easily-exploitable-critical-vulnerabilities-patched-in-profilepress-plugin/","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory"]},{"url":"http://packetstormsecurity.com/files/163973/WordPress-ProfilePress-3.1.3-Privilege-Escalation.html","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory","VDB Entry"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-34621"},{"url":"https://github.com/advisories/GHSA-h9qm-fw5r-9vmm"}],"sources":{"cve":[{"id":"CVE-2021-34621","title":"ProfilePress 3.0 - 3.1.3 - Unauthenticated Privilege Escalation","description":"A vulnerability in the user registration component found in the ~/src/Classes/RegistrationAuth.php file of the ProfilePress WordPress plugin made it possible for users to register on sites as an administrator. This issue affects versions 3.0.0 - 3.1.3. .","status":"published","published":"2021-07-07T12:21:16.266Z","modified":"2024-10-15T18:57:02.37Z","cvss":[{"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-269"],"updated_at":"2026-11-02T14:33:11.244759Z"}],"euvd":[{"id":"EUVD-2021-21271","description":"A vulnerability in the user registration component found in the ~/src/Classes/RegistrationAuth.php file of the ProfilePress WordPress plugin made it possible for users to register on sites as an administrator. This issue affects versions 3.0.0 - 3.1.3. .","status":"published","published":"2021-07-07T12:21:16Z","modified":"2024-10-15T18:57:02Z","cvss":[{"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"}],"updated_at":"2026-11-03T00:27:36.237079Z"}],"ghsa":[{"id":"GHSA-h9qm-fw5r-9vmm","title":"A vulnerability in the user registration component found in the ~/src/Classes/RegistrationAuth...","description":"A vulnerability in the user registration component found in the ~/src/Classes/RegistrationAuth.php file of the ProfilePress WordPress plugin made it possible for users to register on sites as an administrator. This issue affects versions 3.0.0 - 3.1.3. .","status":"published","published":"2022-05-24T19:07:07Z","modified":"2023-01-30T05:02:00Z","cvss":[{"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-269","CWE-306"],"updated_at":"2026-11-02T14:46:32.185763Z"}],"nvd":[{"id":"CVE-2021-34621","description":"A vulnerability in the user registration component found in the ~/src/Classes/RegistrationAuth.php file of the ProfilePress WordPress plugin made it possible for users to register on sites as an administrator. This issue affects versions 3.0.0 - 3.1.3. .","status":"published","published":"2021-07-07T13:15:08.537Z","modified":"2026-06-17T03:56:14.813Z","cvss":[{"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"},{"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":"primary"},{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"primary"}],"cwes":["CWE-269","CWE-306"],"updated_at":"2026-11-02T14:06:55.259633Z"}]}}