Medium severity6.4NVD Advisory· Published Dec 2, 2025· Updated Apr 15, 2026
CVE-2025-13731
CVE-2025-13731
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
1- Range: <=4.4.1
Patches
0No patches discovered yet.
Vulnerability mechanics
AI mechanics synthesis has not run for this CVE yet.
References
4- plugins.trac.wordpress.org/browser/nexter-extension/trunk/include/class-nexter-load-ext.phpnvd
- plugins.trac.wordpress.org/browser/nexter-extension/trunk/include/class-nexter-load-ext.phpnvd
- plugins.trac.wordpress.org/changesetnvd
- www.wordfence.com/threat-intel/vulnerabilities/id/809cd97c-22ea-49e7-be46-688fefe50236nvd
News mentions
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