Advanced Custom Fields: Font Awesome Field, CVE-2026-6415

CVE, Research URL: CVE-2026-6415
Home page URL: Security reports for Advanced Custom Fields: Font Awesome Field
Application: Advanced Custom Fields: Font Awesome Field
Published on: May 15, 2026
Research Description: The Advanced Custom Fields: Font Awesome plugin for WordPress is vulnerable to Stored Cross-Site Scripting in versions up to and including 5.0.2. This is due to insufficient input validation of JSON field values and unsafe client-side HTML construction in the update_preview() JavaScript function. This makes it possible for authenticated attackers, with Subscriber-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
Affected versions: max 6.0.0.
Status: vulnerable