{"id":"CVE-2023-5411","aliases":["EUVD-2023-57726","GHSA-4c25-gwp9-9c2h"],"status":"published","title":"Funnelforms Free \u003c= 3.4 - Missing Authorization to Post Modification","description":"The Funnelforms Free plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the fnsf_af2_save_post function in versions up to, and including, 3.4. This makes it possible for authenticated attackers, with subscriber-level permissions and above, to modify certain post values. Note that the extent of modification is limited due to fixed values passed to the wp_update_post function.","severity":{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.0047,"percentile":0.40994,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-862"],"published":"2023-11-22T15:33:30Z","modified":"2026-06-17T06:48:32Z","products":[{"vendor":"funnelforms","product":"funnelforms"},{"vendor":"funnelforms","product":"interactive contact form and multi step form builder with drag \u0026 drop editor – funnelforms free"}],"references":[{"url":"https://www.wordfence.com/threat-intel/vulnerabilities/id/816f5fc1-e4e6-4c0d-b222-fe733f026e33?source=cve","tags":["x_transferred","Third Party Advisory"]},{"url":"https://plugins.trac.wordpress.org/changeset/2986938/funnelforms-free","tags":["x_transferred","Patch"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-5411"},{"url":"https://github.com/advisories/GHSA-4c25-gwp9-9c2h"}],"sources":{"cve":[{"id":"CVE-2023-5411","title":"Funnelforms Free \u003c= 3.4 - Missing Authorization to Post Modification","description":"The Funnelforms Free plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the fnsf_af2_save_post function in versions up to, and including, 3.4. This makes it possible for authenticated attackers, with subscriber-level permissions and above, to modify certain post values. Note that the extent of modification is limited due to fixed values passed to the wp_update_post function.","status":"published","published":"2023-11-22T15:33:30.215Z","modified":"2026-04-08T17:03:45.199Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-862"],"updated_at":"2026-11-02T14:35:16.771348Z"}],"euvd":[{"id":"EUVD-2023-57726","description":"The Funnelforms Free plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the fnsf_af2_save_post function in versions up to, and including, 3.4. This makes it possible for authenticated attackers, with subscriber-level permissions and above, to modify certain post values. Note that the extent of modification is limited due to fixed values passed to the wp_update_post function.","status":"published","published":"2023-11-22T15:33:30Z","modified":"2026-04-08T17:03:45Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","level":"medium"}],"updated_at":"2026-11-02T19:24:51.577419Z"}],"ghsa":[{"id":"GHSA-4c25-gwp9-9c2h","title":"The Funnelforms Free plugin for WordPress is vulnerable to unauthorized modification of data due...","description":"The Funnelforms Free plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the fnsf_af2_save_post function in versions up to, and including, 3.4. This makes it possible for authenticated attackers, with subscriber-level permissions and above, to modify certain post values. Note that the extent of modification is limited due to fixed values passed to the wp_update_post function.","status":"published","published":"2023-11-22T18:30:56Z","modified":"2023-11-27T21:30:56Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","level":"medium"}],"cwes":["CWE-862"],"updated_at":"2026-11-02T14:55:06.860566Z"}],"nvd":[{"id":"CVE-2023-5411","description":"The Funnelforms Free plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the fnsf_af2_save_post function in versions up to, and including, 3.4. This makes it possible for authenticated attackers, with subscriber-level permissions and above, to modify certain post values. Note that the extent of modification is limited due to fixed values passed to the wp_update_post function.","status":"published","published":"2023-11-22T16:15:12.023Z","modified":"2026-06-17T06:48:32.433Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","level":"medium","assessor":"secondary"},{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-862"],"updated_at":"2026-11-02T14:08:47.966245Z"}]}}