{"id":"CVE-2024-3558","aliases":["EUVD-2024-32144","GHSA-r49q-p832-vm3j"],"status":"published","title":"Custom Field Suite \u003c= 2.6.7 - Authenticated (Contributor+) Stored Cross-Site Scripting via cfs[post_title]","description":"The Custom Field Suite plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the the 'cfs[post_title]' parameter versions up to, and including, 2.6.7 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.","severity":{"version":"3.1","score":6.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00413,"percentile":0.35863,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-79"],"published":"2024-06-20T02:08:25Z","modified":"2026-10-28T02:30:30Z","products":[{"vendor":"custom_field_suite_project","product":"custom_field_suite"},{"vendor":"mgibbs189","product":"custom field suite"}],"references":[{"url":"https://www.wordfence.com/threat-intel/vulnerabilities/id/8e4dc6fd-4bd5-4ed1-ade0-cf2f8831fac3?source=cve","tags":["x_transferred","Third Party Advisory","web"]},{"url":"https://github.com/mgibbs189/custom-field-suite/blob/963dfcede18ff4ad697498556d9058db07d74fa3/includes/field_group.php#L20","tags":["x_transferred","Product","web"]},{"url":"https://github.com/mgibbs189/custom-field-suite/blob/963dfcede18ff4ad697498556d9058db07d74fa3/includes/form.php#L64","tags":["x_transferred","Product","web"]},{"url":"https://github.com/mgibbs189/custom-field-suite/blob/963dfcede18ff4ad697498556d9058db07d74fa3/includes/api.php#L282","tags":["x_transferred","Product","web"]},{"url":"https://github.com/WordPress/WordPress/blob/22d95abc55824e83904dc0fef290464b6bec7708/wp-admin/includes/template.php#L1384","tags":["x_transferred","Product","web"]},{"url":"https://en-gb.wordpress.org/plugins/custom-field-suite/","tags":["x_transferred","Product","web"]},{"url":"https://mgibbs189.github.io/custom-field-suite/","tags":["x_transferred","Exploit","web"]},{"url":"https://core.trac.wordpress.org/ticket/56655","tags":["x_transferred","Issue Tracking","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2024-3558","tags":["advisory"]},{"url":"https://en-gb.wordpress.org/plugins/custom-field-suite"},{"url":"https://mgibbs189.github.io/custom-field-suite"},{"url":"https://github.com/advisories/GHSA-r49q-p832-vm3j"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/3xxx/CVE-2024-3558.json","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2024-3558","title":"Custom Field Suite \u003c= 2.6.7 - Authenticated (Contributor+) Stored Cross-Site Scripting via cfs[post_title]","description":"The Custom Field Suite plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the the 'cfs[post_title]' parameter versions up to, and including, 2.6.7 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.","status":"published","published":"2024-06-20T02:08:25.58Z","modified":"2026-04-08T17:06:19.865Z","cvss":[{"version":"3.1","score":6.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:34:10.613319Z"}],"euvd":[{"id":"EUVD-2024-32144","description":"The Custom Field Suite plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the the 'cfs[post_title]' parameter versions up to, and including, 2.6.7 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.","status":"published","published":"2024-06-20T02:08:25Z","modified":"2026-04-08T17:06:19Z","cvss":[{"version":"3.1","score":6.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N","level":"medium"}],"updated_at":"2026-11-02T19:24:49.853218Z"}],"ghsa":[{"id":"GHSA-r49q-p832-vm3j","title":"The Custom Field Suite plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the...","description":"The Custom Field Suite plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the the 'cfs[post_title]' parameter versions up to, and including, 2.6.7 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.","status":"published","published":"2024-06-20T03:30:34Z","modified":"2024-07-11T03:30:53Z","cvss":[{"version":"3.1","score":6.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N","level":"medium"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:57:40.937292Z"}],"nvd":[{"id":"CVE-2024-3558","description":"The Custom Field Suite plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the the 'cfs[post_title]' parameter versions up to, and including, 2.6.7 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.","status":"published","published":"2024-06-20T02:15:09.663Z","modified":"2026-06-17T07:44:30.773Z","cvss":[{"version":"3.1","score":6.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N","level":"medium","assessor":"secondary"},{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:10:07.173605Z"}],"osv":[{"id":"CVE-2024-3558","title":"Custom Field Suite \u003c= 2.6.7 - Authenticated (Contributor+) Stored Cross-Site Scripting via cfs[post_title]","description":"The Custom Field Suite plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the the 'cfs[post_title]' parameter versions up to, and including, 2.6.7 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.","status":"published","published":"2024-06-20T02:08:25.58Z","modified":"2026-10-28T02:30:30.640650259Z","cvss":[{"version":"3.1","score":6.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N","level":"medium"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T15:44:40.704083Z"}]}}