WP Content Security Plugin, CVE-2025-4579

CVE, Research URL: CVE-2025-4579
Home page URL: Security reports for WP Content Security Plugin
Application: WP Content Security Plugin
Published on: May 15, 2025
Research Description: The WP Content Security Plugin plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the blocked-uri and effective-directive parameters in all versions up to, and including, 2.3 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
Affected versions: Min -, max 2.3.
Status: vulnerable