6.4
Medium
CVE-2025-13731 The Nexter Extension – Site Enhancements Toolkit plugin for WordPress is vulnerable to Stored Cross-Site Scripting via…
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 products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Nexter Extension – Site Enhancements Toolkit 4.4 | earliest → 4.4.1 | No fix stated |
| Nexter Extension – Security, Performance, Code Snippets & Site Toolkit 4.4 | earliest → 4.4.1 | No fix stated |