Vulnerabilities and security researches forsmart-custom-fields smart-custom-fields

Jun 07, 2024

CVE, Research URL: CVE-2024-1995
Home page URL: Security reports for Smart Custom Fields
Application: Smart Custom Fields
Date: Mar 20, 2024
Research Description: The Smart Custom Fields plugin for WordPress is vulnerable to unauthorized access of data due to a missing capability check on the relational_posts_search() function in all versions up to, and including, 4.2.2. This makes it possible for authenticated attackers, with subscrber-level access and above, to retrieve post content that is password protected and/or private.
Affected versions: max 5.0.0.
Status: vulnerable

Jan 08, 2025

CVE, Research URL: CVE-2025-22308
Home page URL: Security reports for Smart Custom Fields
Application: Smart Custom Fields
Date: Jan 07, 2025
Research Description: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Takashi Kitajima Smart Custom Fields smart-custom-fields allows Stored XSS.This issue affects Smart Custom Fields: from n/a through <= 5.0.0.
Affected versions: max 5.0.1.
Status: vulnerable

Apr 13, 2026

CVE, Research URL: CVE-2026-4066
Home page URL: Security reports for Smart Custom Fields
Application: Smart Custom Fields
Date: Mar 24, 2026
Research Description: The Smart Custom Fields plugin for WordPress is vulnerable to unauthorized access of data due to a missing capability check on the relational_posts_search() function in all versions up to, and including, 5.0.6. This makes it possible for authenticated attackers, with Contributor-level access and above, to read private and draft post content from other authors via the smart-cf-relational-posts-search AJAX action. The function queries posts with post_status=any and returns full WP_Post objects including post_content, but only checks the generic edit_posts capability instead of verifying whether the requesting user has permission to read each individual post.
Affected versions: max 5.0.7.
Status: vulnerable

Jul 19, 2026

CVE, Research URL: CVE-2026-2594
Home page URL: Security reports for Smart Custom Fields
Application: Smart Custom Fields
Date: Jul 17, 2026
Research Description: The Smart Custom Fields plugin for WordPress is vulnerable to Stored Cross-Site Scripting in versions up to, and including, 5.0.7. This is due to insufficient input sanitization and output escaping of uploaded image attachment titles. This makes it possible for authenticated attackers, with Author-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. NOTE: This vulnerability was partially patched in 5.0.7.
Affected versions: max 5.0.8.
Status: vulnerable