{"id":"CVE-2026-12995","aliases":["EUVD-2026-84297","GHSA-82h9-w9pg-f542"],"status":"published","title":"Custom Field Template \u003c= 2.7.8 - Authenticated (Contributor+) Insecure Direct Object Reference to Arbitrary Media File Deletion via 'file_field' Parameter","description":"The Custom Field Template plugin for WordPress is vulnerable to Insecure Direct Object Reference in all versions up to, and including, 2.7.8 via the edit_meta_value due to missing validation on a user controlled key. This makes it possible for authenticated attackers, with contributor-level access and above, to delete arbitrary media attachments site-wide by supplying any numeric attachment ID in the file-field parameter alongside the corresponding delete flag, causing content loss and broken pages. Exploitation requires that the attacker's post is governed by a Custom Field Template containing at least one file-type field with the mediaRemove option not enabled, which is the default configuration for file fields.","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":"2026-11-11","score":0.00371,"percentile":0.31389,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-639"],"published":"2026-09-22T07:41:09Z","modified":"2026-09-22T19:04:55Z","products":[{"vendor":"hiroaki miyashita","product":"custom field template"},{"vendor":"hiroaki-miyashita","product":"custom field template"}],"references":[{"url":"https://www.wordfence.com/threat-intel/vulnerabilities/id/02f44f5b-c513-4aba-b895-65df681620c6?source=cve"},{"url":"https://plugins.trac.wordpress.org/browser/custom-field-template/tags/2.7.8/custom-field-template.php#L3500"},{"url":"https://plugins.trac.wordpress.org/browser/custom-field-template/tags/2.7.8/custom-field-template.php#L3462"},{"url":"https://plugins.trac.wordpress.org/browser/custom-field-template/tags/2.7.8/custom-field-template.php#L105"},{"url":"https://plugins.trac.wordpress.org/browser/custom-field-template/tags/2.7.7/custom-field-template.php#L3500"},{"url":"https://plugins.trac.wordpress.org/browser/custom-field-template/tags/2.7.7/custom-field-template.php#L3462"},{"url":"https://plugins.trac.wordpress.org/browser/custom-field-template/tags/2.7.7/custom-field-template.php#L105"},{"url":"https://plugins.trac.wordpress.org/changeset?reponame=\u0026old=3589466%40custom-field-template\u0026new=3589466%40custom-field-template"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-12995"},{"url":"https://github.com/advisories/GHSA-82h9-w9pg-f542"}],"sources":{"cve":[{"id":"CVE-2026-12995","title":"Custom Field Template \u003c= 2.7.8 - Authenticated (Contributor+) Insecure Direct Object Reference to Arbitrary Media File Deletion via 'file_field' Parameter","description":"The Custom Field Template plugin for WordPress is vulnerable to Insecure Direct Object Reference in all versions up to, and including, 2.7.8 via the edit_meta_value due to missing validation on a user controlled key. This makes it possible for authenticated attackers, with contributor-level access and above, to delete arbitrary media attachments site-wide by supplying any numeric attachment ID in the file-field parameter alongside the corresponding delete flag, causing content loss and broken pages. Exploitation requires that the attacker's post is governed by a Custom Field Template containing at least one file-type field with the mediaRemove option not enabled, which is the default configuration for file fields.","status":"published","published":"2026-09-22T07:41:09.117Z","modified":"2026-09-22T10:25:33.276Z","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-639"],"updated_at":"2026-11-02T14:19:48.461833Z"}],"euvd":[{"id":"EUVD-2026-84297","description":"The Custom Field Template plugin for WordPress is vulnerable to Insecure Direct Object Reference in all versions up to, and including, 2.7.8 via the edit_meta_value due to missing validation on a user controlled key. This makes it possible for authenticated attackers, with contributor-level access and above, to delete arbitrary media attachments site-wide by supplying any numeric attachment ID in the file-field parameter alongside the corresponding delete flag, causing content loss and broken pages. Exploitation requires that the attacker's post is governed by a Custom Field Template containing at least one file-type field with the mediaRemove option not enabled, which is the default configuration for file fields.","status":"published","published":"2026-09-22T07:41:09Z","modified":"2026-09-22T10:25:33Z","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":"2026-11-02T17:28:03.363938Z"}],"ghsa":[{"id":"GHSA-82h9-w9pg-f542","title":"The Custom Field Template plugin for WordPress is vulnerable to Insecure Direct Object Reference...","description":"The Custom Field Template plugin for WordPress is vulnerable to Insecure Direct Object Reference in all versions up to, and including, 2.7.8 via the edit_meta_value due to missing validation on a user controlled key. This makes it possible for authenticated attackers, with contributor-level access and above, to delete arbitrary media attachments site-wide by supplying any numeric attachment ID in the file-field parameter alongside the corresponding delete flag, causing content loss and broken pages. Exploitation requires that the attacker's post is governed by a Custom Field Template containing at least one file-type field with the mediaRemove option not enabled, which is the default configuration for file fields.","status":"published","published":"2026-09-22T09:31:12Z","modified":"2026-09-22T09:31:17Z","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-639"],"updated_at":"2026-11-02T15:12:16.582397Z"}],"nvd":[{"id":"CVE-2026-12995","description":"The Custom Field Template plugin for WordPress is vulnerable to Insecure Direct Object Reference in all versions up to, and including, 2.7.8 via the edit_meta_value due to missing validation on a user controlled key. This makes it possible for authenticated attackers, with contributor-level access and above, to delete arbitrary media attachments site-wide by supplying any numeric attachment ID in the file-field parameter alongside the corresponding delete flag, causing content loss and broken pages. Exploitation requires that the attacker's post is governed by a Custom Field Template containing at least one file-type field with the mediaRemove option not enabled, which is the default configuration for file fields.","status":"published","published":"2026-09-22T08:16:36.4Z","modified":"2026-09-22T19:04:55.677Z","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"}],"cwes":["CWE-639"],"updated_at":"2026-11-02T14:12:50.368368Z"}]}}