Nexter Extension, CVE-2025-13731

CVE, Research URL: CVE-2025-13731
Home page URL: Security reports for Nexter Extension
Application: Nexter Extension
Published on: Dec 02, 2025
Research Description: The Nexter Extension – Site Enhancements Toolkit plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's 'nxt-year' shortcode in all versions up to, and including, 4.4.1 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 versions: max 4.4.2.
Status: vulnerable