{"id":"CVE-2026-90977","aliases":["EUVD-2026-82689","GHSA-whxq-7ph8-rv4q"],"status":"published","title":"Clean Login \u003c 1.19 - Unauthenticated CAPTCHA Bypass via Empty Session Comparison","description":"The Clean Login WordPress plugin before 1.19 does not verify its registration CAPTCHA when the stored session value is empty, allowing unauthenticated users to bypass the anti-automation control on the registration form and create accounts without solving it.","severity":{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.00374,"percentile":0.31824,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-697"],"published":"2026-09-18T06:11:40Z","modified":"2026-09-18T19:08:32Z","products":[{"vendor":"unknown","product":"clean login"}],"references":[{"url":"https://wpscan.com/vulnerability/368db83e-ed7b-4f67-99db-2e5f1c01568e/","tags":["exploit","vdb-entry","technical-description"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-90977"},{"url":"https://wpscan.com/vulnerability/368db83e-ed7b-4f67-99db-2e5f1c01568e"},{"url":"https://github.com/advisories/GHSA-whxq-7ph8-rv4q"}],"sources":{"cve":[{"id":"CVE-2026-90977","title":"Clean Login \u003c 1.19 - Unauthenticated CAPTCHA Bypass via Empty Session Comparison","description":"The Clean Login WordPress plugin before 1.19 does not verify its registration CAPTCHA when the stored session value is empty, allowing unauthenticated users to bypass the anti-automation control on the registration form and create accounts without solving it.","status":"published","published":"2026-09-18T06:11:40.229Z","modified":"2026-09-18T10:59:55.405Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-697"],"updated_at":"2026-11-02T13:45:47.885058Z"}],"euvd":[{"id":"EUVD-2026-82689","description":"The Clean Login WordPress plugin before 1.19 does not verify its registration CAPTCHA when the stored session value is empty, allowing unauthenticated users to bypass the anti-automation control on the registration form and create accounts without solving it.","status":"published","published":"2026-09-18T06:11:40Z","modified":"2026-09-18T10:59:55Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium"}],"updated_at":"2026-11-02T17:28:09.240281Z"}],"ghsa":[{"id":"GHSA-whxq-7ph8-rv4q","title":"The Clean Login WordPress plugin before 1.19 does not verify its registration CAPTCHA when the...","description":"The Clean Login WordPress plugin before 1.19 does not verify its registration CAPTCHA when the stored session value is empty, allowing unauthenticated users to bypass the anti-automation control on the registration form and create accounts without solving it.","status":"published","published":"2026-09-18T09:31:06Z","modified":"2026-09-18T12:31:19Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium"}],"cwes":["CWE-697"],"updated_at":"2026-11-02T15:12:09.483713Z"}],"nvd":[{"id":"CVE-2026-90977","description":"The Clean Login WordPress plugin before 1.19 does not verify its registration CAPTCHA when the stored session value is empty, allowing unauthenticated users to bypass the anti-automation control on the registration form and create accounts without solving it.","status":"published","published":"2026-09-18T07:16:51.59Z","modified":"2026-09-18T19:08:32.83Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"secondary"}],"cwes":["CWE-697"],"updated_at":"2026-11-02T14:12:49.70655Z"}]}}