{"id":"CVE-2026-12418","aliases":["EUVD-2026-42542","GHSA-33x8-pcvj-97hp"],"status":"published","title":"User Frontend: AI Powered Frontend Posting, User Directory, Profile, Membership \u0026 User Registration \u003c= 4.3.7 - Insecure Direct Object Reference to Unauthenticated Arbitrary Post Modification via 'wpuf_files_data' Parameter","description":"The User Frontend: AI Powered Frontend Posting, User Directory, Profile, Membership \u0026 User Registration plugin for WordPress is vulnerable to Insecure Direct Object Reference in all versions up to, and including, 4.3.7 via the 'wpuf_files_data' parameter due to missing validation on a user controlled key. This makes it possible for unauthenticated attackers to overwrite the post_title, post_content, and post_excerpt of any arbitrary post on the site, including posts authored by administrators. Exploitation requires access to any WPUF post submission form; this is achievable by users with no WordPress role, as the wpuf_submit_post AJAX action is gated only by a nonce with no capability check for the downstream post-edit operation.","severity":{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00423,"percentile":0.36859,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-639"],"published":"2026-07-09T07:55:13Z","modified":"2026-07-09T16:20:12Z","products":[{"vendor":"wedevs","product":"user frontend: ai powered frontend posting, user directory, profile builder, membership \u0026 user registration"}],"references":[{"url":"https://www.wordfence.com/threat-intel/vulnerabilities/id/8f66e25f-b67e-4227-95fe-69b40551af61?source=cve"},{"url":"https://plugins.trac.wordpress.org/browser/wp-user-frontend/tags/4.3.6/includes/Traits/FieldableTrait.php#L478"},{"url":"https://plugins.trac.wordpress.org/browser/wp-user-frontend/tags/4.3.6/includes/Ajax/Frontend_Form_Ajax.php#L35"},{"url":"https://plugins.trac.wordpress.org/browser/wp-user-frontend/tags/4.3.6/includes/Traits/FieldableTrait.php#L468"},{"url":"https://plugins.trac.wordpress.org/browser/wp-user-frontend/tags/4.3.1/includes/Traits/FieldableTrait.php#L478"},{"url":"https://plugins.trac.wordpress.org/browser/wp-user-frontend/tags/4.3.1/includes/Ajax/Frontend_Form_Ajax.php#L35"},{"url":"https://plugins.trac.wordpress.org/browser/wp-user-frontend/tags/4.3.1/includes/Traits/FieldableTrait.php#L468"},{"url":"https://plugins.trac.wordpress.org/changeset?reponame=\u0026old=3578622%40wp-user-frontend\u0026new=3578622%40wp-user-frontend"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-12418"},{"url":"https://github.com/advisories/GHSA-33x8-pcvj-97hp"}],"sources":{"cve":[{"id":"CVE-2026-12418","title":"User Frontend: AI Powered Frontend Posting, User Directory, Profile, Membership \u0026 User Registration \u003c= 4.3.7 - Insecure Direct Object Reference to Unauthenticated Arbitrary Post Modification via 'wpuf_files_data' Parameter","description":"The User Frontend: AI Powered Frontend Posting, User Directory, Profile, Membership \u0026 User Registration plugin for WordPress is vulnerable to Insecure Direct Object Reference in all versions up to, and including, 4.3.7 via the 'wpuf_files_data' parameter due to missing validation on a user controlled key. This makes it possible for unauthenticated attackers to overwrite the post_title, post_content, and post_excerpt of any arbitrary post on the site, including posts authored by administrators. Exploitation requires access to any WPUF post submission form; this is achievable by users with no WordPress role, as the wpuf_submit_post AJAX action is gated only by a nonce with no capability check for the downstream post-edit operation.","status":"published","published":"2026-07-09T07:55:13.665Z","modified":"2026-07-09T14:39:37.233Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-639"],"updated_at":"2026-11-02T14:19:47.998488Z"}],"euvd":[{"id":"EUVD-2026-42542","description":"The User Frontend: AI Powered Frontend Posting, User Directory, Profile, Membership \u0026 User Registration plugin for WordPress is vulnerable to Insecure Direct Object Reference in all versions up to, and including, 4.3.7 via the 'wpuf_files_data' parameter due to missing validation on a user controlled key. This makes it possible for unauthenticated attackers to overwrite the post_title, post_content, and post_excerpt of any arbitrary post on the site, including posts authored by administrators. Exploitation requires access to any WPUF post submission form; this is achievable by users with no WordPress role, as the wpuf_submit_post AJAX action is gated only by a nonce with no capability check for the downstream post-edit operation.","status":"published","published":"2026-07-09T07:55:13Z","modified":"2026-07-09T14:39:37Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N","level":"medium"}],"updated_at":"2026-11-02T18:20:04.126011Z"}],"ghsa":[{"id":"GHSA-33x8-pcvj-97hp","title":"The User Frontend: AI Powered Frontend Posting, User Directory, Profile, Membership \u0026 User...","description":"The User Frontend: AI Powered Frontend Posting, User Directory, Profile, Membership \u0026 User Registration plugin for WordPress is vulnerable to Insecure Direct Object Reference in all versions up to, and including, 4.3.7 via the 'wpuf_files_data' parameter due to missing validation on a user controlled key. This makes it possible for unauthenticated attackers to overwrite the post_title, post_content, and post_excerpt of any arbitrary post on the site, including posts authored by administrators. Exploitation requires access to any WPUF post submission form; this is achievable by users with no WordPress role, as the wpuf_submit_post AJAX action is gated only by a nonce with no capability check for the downstream post-edit operation.","status":"published","published":"2026-07-09T09:30:28Z","modified":"2026-07-09T09:30:35Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N","level":"medium"}],"cwes":["CWE-639"],"updated_at":"2026-11-02T15:09:20.981798Z"}],"nvd":[{"id":"CVE-2026-12418","description":"The User Frontend: AI Powered Frontend Posting, User Directory, Profile, Membership \u0026 User Registration plugin for WordPress is vulnerable to Insecure Direct Object Reference in all versions up to, and including, 4.3.7 via the 'wpuf_files_data' parameter due to missing validation on a user controlled key. This makes it possible for unauthenticated attackers to overwrite the post_title, post_content, and post_excerpt of any arbitrary post on the site, including posts authored by administrators. Exploitation requires access to any WPUF post submission form; this is achievable by users with no WordPress role, as the wpuf_submit_post AJAX action is gated only by a nonce with no capability check for the downstream post-edit operation.","status":"published","published":"2026-07-09T08:16:46Z","modified":"2026-07-09T16:20:12.533Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N","level":"medium","assessor":"secondary"}],"cwes":["CWE-639"],"updated_at":"2026-11-02T14:12:28.4135Z"}]}}