{"id":"CVE-2024-3558","state":"PUBLISHED","title":"Custom Field Suite <= 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.","publishedAt":"2024-06-20T02:08:25.580Z","updatedAt":"2026-04-08T17:06:19.865Z","severity":{"score":6.4,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N","source":"Wordfence"},"assigner":"Wordfence","products":["mgibbs189 Custom Field Suite"],"affected":[{"vendor":"mgibbs189","product":"Custom Field Suite","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThanOrEqual":"2.6.7","versionType":"semver"}]}],"references":["https://www.wordfence.com/threat-intel/vulnerabilities/id/8e4dc6fd-4bd5-4ed1-ade0-cf2f8831fac3?source=cve","https://github.com/mgibbs189/custom-field-suite/blob/963dfcede18ff4ad697498556d9058db07d74fa3/includes/field_group.php#L20","https://github.com/mgibbs189/custom-field-suite/blob/963dfcede18ff4ad697498556d9058db07d74fa3/includes/form.php#L64","https://github.com/mgibbs189/custom-field-suite/blob/963dfcede18ff4ad697498556d9058db07d74fa3/includes/api.php#L282","https://github.com/WordPress/WordPress/blob/22d95abc55824e83904dc0fef290464b6bec7708/wp-admin/includes/template.php#L1384","https://en-gb.wordpress.org/plugins/custom-field-suite/","https://mgibbs189.github.io/custom-field-suite/","https://core.trac.wordpress.org/ticket/56655"],"weaknesses":["CWE-79"],"ingestedAt":"2026-10-29T20:07:39.287Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2024/3xxx/CVE-2024-3558.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2024-3558","state":"PUBLISHED","datePublished":"2024-06-20T02:08:25.580Z","dateUpdated":"2026-04-08T17:06:19.865Z","assignerShortName":"Wordfence","assignerOrgId":"b15e7b5b-3da4-40ae-a43c-f7aa60e62599","dateReserved":"2024-04-09T21:18:28.695Z"},"containers":{"cna":{"title":"Custom Field Suite <= 2.6.7 - Authenticated (Contributor+) Stored Cross-Site Scripting via cfs[post_title]","descriptions":[{"lang":"en","value":"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."}],"affected":[{"vendor":"mgibbs189","product":"Custom Field Suite","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThanOrEqual":"2.6.7","versionType":"semver"}]}],"references":[{"url":"https://www.wordfence.com/threat-intel/vulnerabilities/id/8e4dc6fd-4bd5-4ed1-ade0-cf2f8831fac3?source=cve"},{"url":"https://github.com/mgibbs189/custom-field-suite/blob/963dfcede18ff4ad697498556d9058db07d74fa3/includes/field_group.php#L20"},{"url":"https://github.com/mgibbs189/custom-field-suite/blob/963dfcede18ff4ad697498556d9058db07d74fa3/includes/form.php#L64"},{"url":"https://github.com/mgibbs189/custom-field-suite/blob/963dfcede18ff4ad697498556d9058db07d74fa3/includes/api.php#L282"},{"url":"https://github.com/WordPress/WordPress/blob/22d95abc55824e83904dc0fef290464b6bec7708/wp-admin/includes/template.php#L1384"},{"url":"https://en-gb.wordpress.org/plugins/custom-field-suite/"},{"url":"https://mgibbs189.github.io/custom-field-suite/"},{"url":"https://core.trac.wordpress.org/ticket/56655"}],"metrics":[{"cvssV3_1":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N","baseScore":6.4,"baseSeverity":"MEDIUM"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-79","lang":"en","description":"CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')","type":"CWE"}]}],"providerMetadata":{"shortName":"Wordfence","orgId":"b15e7b5b-3da4-40ae-a43c-f7aa60e62599","dateUpdated":"2026-04-08T17:06:19.865Z"},"credits":[{"lang":"en","type":"finder","value":"Jack Taylor"}],"timeline":[{"time":"2024-06-19T13:17:11.000Z","lang":"en","value":"Disclosed"}]},"adp":[{"title":"CISA ADP Vulnrichment","affected":[{"vendor":"custom_field_suite_project","product":"custom_field_suite","defaultStatus":"unknown","versions":[{"version":"0","status":"affected","lessThanOrEqual":"2.6.7","versionType":"custom"}],"cpes":["cpe:2.3:a:custom_field_suite_project:custom_field_suite:-:*:*:*:*:*:*:*"]}],"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2024-06-20T16:12:43.984048Z","id":"CVE-2024-3558","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2024-06-20T16:45:02.004Z"}},{"title":"CVE Program Container","references":[{"url":"https://www.wordfence.com/threat-intel/vulnerabilities/id/8e4dc6fd-4bd5-4ed1-ade0-cf2f8831fac3?source=cve","tags":["x_transferred"]},{"url":"https://github.com/mgibbs189/custom-field-suite/blob/963dfcede18ff4ad697498556d9058db07d74fa3/includes/field_group.php#L20","tags":["x_transferred"]},{"url":"https://github.com/mgibbs189/custom-field-suite/blob/963dfcede18ff4ad697498556d9058db07d74fa3/includes/form.php#L64","tags":["x_transferred"]},{"url":"https://github.com/mgibbs189/custom-field-suite/blob/963dfcede18ff4ad697498556d9058db07d74fa3/includes/api.php#L282","tags":["x_transferred"]},{"url":"https://github.com/WordPress/WordPress/blob/22d95abc55824e83904dc0fef290464b6bec7708/wp-admin/includes/template.php#L1384","tags":["x_transferred"]},{"url":"https://en-gb.wordpress.org/plugins/custom-field-suite/","tags":["x_transferred"]},{"url":"https://mgibbs189.github.io/custom-field-suite/","tags":["x_transferred"]},{"url":"https://core.trac.wordpress.org/ticket/56655","tags":["x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-01T20:12:07.659Z"}}]}}}