{"id":"CVE-2023-0816","aliases":["EUVD-2023-12820","GHSA-m9ch-6hh2-gc9w"],"status":"published","title":"Formidable Forms \u003c 6.1 - IP Spoofing","description":"The Formidable Forms WordPress plugin before 6.1 uses several potentially untrusted headers to determine the IP address of the client, leading to IP Address spoofing and bypass of anti-spam protections.","severity":{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.00498,"percentile":0.43022,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-290","CWE-639"],"published":"2023-03-27T15:37:17Z","modified":"2026-06-17T05:26:22Z","products":[{"vendor":"strategy11","product":"formidable_form_builder"},{"vendor":"unknown","product":"formidable forms"}],"references":[{"url":"https://wpscan.com/vulnerability/a281f63f-e295-4666-8a08-01b23cd5a744","tags":["exploit","vdb-entry","technical-description","x_transferred","Exploit","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-0816"},{"url":"https://github.com/advisories/GHSA-m9ch-6hh2-gc9w"}],"sources":{"cve":[{"id":"CVE-2023-0816","title":"Formidable Forms \u003c 6.1 - IP Spoofing","description":"The Formidable Forms WordPress plugin before 6.1 uses several potentially untrusted headers to determine the IP address of the client, leading to IP Address spoofing and bypass of anti-spam protections.","status":"published","published":"2023-03-27T15:37:17.374Z","modified":"2025-02-19T16:52:34.177Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N","level":"medium","assessor":"adp"}],"updated_at":"2026-11-02T14:35:35.256261Z"}],"euvd":[{"id":"EUVD-2023-12820","description":"The Formidable Forms WordPress plugin before 6.1 uses several potentially untrusted headers to determine the IP address of the client, leading to IP Address spoofing and bypass of anti-spam protections.","status":"published","published":"2023-03-27T15:37:17Z","modified":"2025-02-19T16:52:34Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N","level":"medium"}],"updated_at":"2026-11-02T20:53:27.295607Z"}],"ghsa":[{"id":"GHSA-m9ch-6hh2-gc9w","title":"The Formidable Forms WordPress plugin before 6.1 uses several potentially untrusted headers to...","description":"The Formidable Forms WordPress plugin before 6.1 uses several potentially untrusted headers to determine the IP address of the client, leading to IP Address spoofing and bypass of anti-spam protections.","status":"published","published":"2023-03-27T18:30:26Z","modified":"2023-04-08T05:00:58Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N","level":"medium"}],"cwes":["CWE-290","CWE-639"],"updated_at":"2026-11-02T14:54:28.289847Z"}],"nvd":[{"id":"CVE-2023-0816","description":"The Formidable Forms WordPress plugin before 6.1 uses several potentially untrusted headers to determine the IP address of the client, leading to IP Address spoofing and bypass of anti-spam protections.","status":"published","published":"2023-03-27T16:15:09.277Z","modified":"2026-06-17T05:26:22.41Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N","level":"medium","assessor":"primary"},{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N","level":"medium","assessor":"secondary"}],"cwes":["CWE-290"],"updated_at":"2026-11-02T14:07:50.908252Z"}]}}