{"id":"CVE-2026-110004","aliases":["EUVD-2026-119031","GHSA-phg4-5f9c-5j68"],"status":"published","title":"wpForo Forum \u003c= 3.2.2 - Authenticated (Subscriber+) Arbitrary File Deletion via Path Traversal via 'theme' Parameter","description":"The wpForo Forum plugin for WordPress is vulnerable to arbitrary file deletion due to insufficient file path validation in the theme_delete function in all versions up to, and including, 3.2.2 This makes it possible for authenticated attackers, with subscriber-level access and above, to delete arbitrary files on the server, which can easily lead to remote code execution when the right file is deleted (such as wp-config.php). This exploit chain is reachable only on sites where an administrator has created a custom wpForo secondary usergroup with a blank WordPress role and the 'mth' (Manage Themes) capability; on such sites, an attacker can self-register and claim that group via the unguarded wpforo_secondary_groupids[] POST field, bypassing the role-based group filter and gaining theme-management access as a Subscriber.","severity":{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00726,"percentile":0.54579,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-22"],"published":"2026-11-07T09:25:45Z","modified":"2026-11-07T12:31:59Z","products":[{"vendor":"tomdever","product":"wpforo forum"}],"references":[{"url":"https://www.wordfence.com/threat-intel/vulnerabilities/id/268f05d4-5f93-4d89-aa7f-c8731599dbc7?source=cve"},{"url":"https://plugins.trac.wordpress.org/browser/wpforo/tags/3.2.2/classes/Actions.php#L2409"},{"url":"https://plugins.trac.wordpress.org/browser/wpforo/tags/3.2.2/classes/Actions.php#L2405"},{"url":"https://plugins.trac.wordpress.org/browser/wpforo/tags/3.2.2/classes/Members.php#L1428"},{"url":"https://plugins.trac.wordpress.org/browser/wpforo/tags/3.2.2/includes/functions.php#L1659"},{"url":"https://wordpress.org/plugins/wpforo/#developers"},{"url":"https://plugins.trac.wordpress.org/changeset?reponame=\u0026new=3778162%40wpforo%2Ftags%2F3.2.3\u0026old=3717441%40wpforo%2Ftags%2F3.2.2"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-110004"},{"url":"https://github.com/advisories/GHSA-phg4-5f9c-5j68"}],"sources":{"cve":[{"id":"CVE-2026-110004","title":"wpForo Forum \u003c= 3.2.2 - Authenticated (Subscriber+) Arbitrary File Deletion via Path Traversal via 'theme' Parameter","description":"The wpForo Forum plugin for WordPress is vulnerable to arbitrary file deletion due to insufficient file path validation in the theme_delete function in all versions up to, and including, 3.2.2 This makes it possible for authenticated attackers, with subscriber-level access and above, to delete arbitrary files on the server, which can easily lead to remote code execution when the right file is deleted (such as wp-config.php). This exploit chain is reachable only on sites where an administrator has created a custom wpForo secondary usergroup with a blank WordPress role and the 'mth' (Manage Themes) capability; on such sites, an attacker can self-register and claim that group via the unguarded wpforo_secondary_groupids[] POST field, bypassing the role-based group filter and gaining theme-management access as a Subscriber.","status":"published","published":"2026-11-07T09:25:45.421Z","modified":"2026-11-08T19:05:23.112Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-22"],"updated_at":"2026-11-07T10:33:36.209845Z"}],"euvd":[{"id":"EUVD-2026-119031","description":"The wpForo Forum plugin for WordPress is vulnerable to arbitrary file deletion due to insufficient file path validation in the theme_delete function in all versions up to, and including, 3.2.2 This makes it possible for authenticated attackers, with subscriber-level access and above, to delete arbitrary files on the server, which can easily lead to remote code execution when the right file is deleted (such as wp-config.php). This exploit chain is reachable only on sites where an administrator has created a custom wpForo secondary usergroup with a blank WordPress role and the 'mth' (Manage Themes) capability; on such sites, an attacker can self-register and claim that group via the unguarded wpforo_secondary_groupids[] POST field, bypassing the role-based group filter and gaining theme-management access as a Subscriber.","status":"published","published":"2026-11-07T09:25:45Z","modified":"2026-11-08T19:05:23Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium"}],"updated_at":"2026-11-07T15:09:44.361591Z"}],"ghsa":[{"id":"GHSA-phg4-5f9c-5j68","title":"The wpForo Forum plugin for WordPress is vulnerable to arbitrary file deletion due to...","description":"The wpForo Forum plugin for WordPress is vulnerable to arbitrary file deletion due to insufficient file path validation in the theme_delete function in all versions up to, and including, 3.2.2 This makes it possible for authenticated attackers, with subscriber-level access and above, to delete arbitrary files on the server, which can easily lead to remote code execution when the right file is deleted (such as wp-config.php). This exploit chain is reachable only on sites where an administrator has created a custom wpForo secondary usergroup with a blank WordPress role and the 'mth' (Manage Themes) capability; on such sites, an attacker can self-register and claim that group via the unguarded wpforo_secondary_groupids[] POST field, bypassing the role-based group filter and gaining theme-management access as a Subscriber.","status":"published","published":"2026-11-07T12:31:49Z","modified":"2026-11-07T12:31:59Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium"}],"cwes":["CWE-22"],"updated_at":"2026-11-07T12:37:14.117196Z"}],"nvd":[{"id":"CVE-2026-110004","description":"The wpForo Forum plugin for WordPress is vulnerable to arbitrary file deletion due to insufficient file path validation in the theme_delete function in all versions up to, and including, 3.2.2 This makes it possible for authenticated attackers, with subscriber-level access and above, to delete arbitrary files on the server, which can easily lead to remote code execution when the right file is deleted (such as wp-config.php). This exploit chain is reachable only on sites where an administrator has created a custom wpForo secondary usergroup with a blank WordPress role and the 'mth' (Manage Themes) capability; on such sites, an attacker can self-register and claim that group via the unguarded wpforo_secondary_groupids[] POST field, bypassing the role-based group filter and gaining theme-management access as a Subscriber.","status":"published","published":"2026-11-07T10:17:06.78Z","modified":"2026-11-08T19:17:33.523Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"secondary"}],"cwes":["CWE-22"],"updated_at":"2026-11-08T22:11:13.623406Z"}]}}