CVE-2025-13731

Name of the Vulnerable Software and Affected Versions Nexter Extension – Site Enhancements Toolkit plugin for WordPress versions through 4.4.1

Description The Nexter Extension – Site Enhancements Toolkit plugin for WordPress is susceptible to Stored Cross-Site Scripting through the 'nxt-year' shortcode. Insufficient input sanitization and output escaping allow authenticated attackers with Contributor-level access or higher to inject arbitrary web scripts into pages. These scripts will execute when a user accesses the affected page.

Recommendations Update the Nexter Extension – Site Enhancements Toolkit plugin to a version later than 4.4.1.