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CVE-2024-3559

MEDIUM 5.4 CVSS 3.1
Published
June 12, 2024
Last modified
June 17, 2026
NVD status
Modified
Reported by
security@wordfence.com
Weakness
CWE-79
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Description

The Custom Field Suite plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the the 'cfs[post_content]' 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 WordPress components

A confirmed match is backed by the plugin or theme slug. A possible match is based on the product name only and should be verified.

Affected products and versions

  • mgibbs189 Custom Field Suite — Up to and including 2.6.7
  • matt_gibbs custom_field_suite — Up to and including 2.6.7
  • custom_field_suite_project custom_field_suite — Up to and including 2.6.7

References

  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/custom-field-suite/trunk/includes/api.php#L282 Product
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/custom-field-suite/trunk/includes/form.php#L69 Product
  • www.wordfence.com https://www.wordfence.com/threat-intel/vulnerabilities/id/56d8af3b-6c00-49ed-872a-64f7bebb470b?source=cve Third Party Advisory
  • nvd.nist.gov Official NVD record