{"id":"CVE-2021-24916","aliases":["EUVD-2021-11828","GHSA-w9rc-g9q5-4rpr"],"status":"published","title":"Qubely \u003c 1.8.6 - Unauthenticated Arbitrary E-mail Sending","description":"The Qubely WordPress plugin before 1.8.6 allows unauthenticated user to send arbitrary e-mails to arbitrary addresses via the qubely_send_form_data AJAX action.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.01715,"percentile":0.77603,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-284"],"published":"2023-08-07T14:31:23Z","modified":"2026-06-17T03:41:07Z","exploits":[{"source":"nuclei","id":"CVE-2021-24916","title":"WordPress Qubely \u003c 1.8.6 - Unauthenticated Email Sending","type":"detection template","url":"https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2021/CVE-2021-24916.yaml"}],"products":[{"vendor":"themeum","product":"qubely"},{"vendor":"unknown","product":"qubely"}],"references":[{"url":"https://wpscan.com/vulnerability/93b893be-59ad-4500-8edb-9fa7a45304d5","tags":["exploit","vdb-entry","technical-description","x_transferred","Exploit","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-24916"},{"url":"https://github.com/advisories/GHSA-w9rc-g9q5-4rpr"}],"sources":{"cve":[{"id":"CVE-2021-24916","title":"Qubely \u003c 1.8.6 - Unauthenticated Arbitrary E-mail Sending","description":"The Qubely WordPress plugin before 1.8.6 allows unauthenticated user to send arbitrary e-mails to arbitrary addresses via the qubely_send_form_data AJAX action.","status":"published","published":"2023-08-07T14:31:23.983Z","modified":"2024-10-15T18:12:07.814Z","updated_at":"2026-11-02T14:33:05.000797Z"}],"euvd":[{"id":"EUVD-2021-11828","description":"The Qubely WordPress plugin before 1.8.6 allows unauthenticated user to send arbitrary e-mails to arbitrary addresses via the qubely_send_form_data AJAX action.","status":"published","published":"2023-08-07T14:31:23Z","modified":"2024-10-15T18:12:07Z","cvss":[{"version":"","score":0,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"none"}],"updated_at":"2026-11-03T00:27:36.689661Z"}],"ghsa":[{"id":"GHSA-w9rc-g9q5-4rpr","title":"The Qubely WordPress plugin before 1.8.6 allows unauthenticated user to send arbitrary e-mails to...","description":"The Qubely WordPress plugin before 1.8.6 allows unauthenticated user to send arbitrary e-mails to arbitrary addresses via the qubely_send_form_data AJAX action.","status":"published","published":"2023-08-07T15:30:28Z","modified":"2024-04-11T21:07:28Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high"}],"cwes":["CWE-284"],"updated_at":"2026-11-02T14:57:06.932158Z"}],"nvd":[{"id":"CVE-2021-24916","description":"The Qubely WordPress plugin before 1.8.6 allows unauthenticated user to send arbitrary e-mails to arbitrary addresses via the qubely_send_form_data AJAX action.","status":"published","published":"2023-08-07T15:15:10.447Z","modified":"2026-06-17T03:41:07.783Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high","assessor":"primary"}],"updated_at":"2026-11-02T14:07:07.764332Z"}]}}