CVE-2025-4594: Tournamatch

Medium severity, CVSS 5.4. EPSS: 0.3% chance of exploitation in the next 30 days.

The Tournamatch plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's 'trn-ladder-registration-button' shortcode in all versions up to, and including, 4.6.1 due to insufficient input sanitization and output escaping on user supplied attributes. 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

• Tournamatch Tournamatch: before 4.6.2 (fixed in 4.6.2)

Published 2025-05-23. Last modified 2026-06-17.