#VU110222 Stored cross-site scripting in Tournamatch - CVE-2025-4594
Published: June 5, 2025
Vulnerability identifier: #VU110222
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:U/U:Clear
CVE-ID: CVE-2025-4594
CWE-ID: CWE-79
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Tournamatch
Tournamatch
Software vendor:
Tournamatch
Tournamatch
Description
The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.
The vulnerability exists due to insufficient sanitization of user-supplied data in the "trn-ladder-registration-button" shortcode. A remote user can inject and execute arbitrary HTML and script code in user's browser in context of vulnerable website.
Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.
Remediation
Install updates from vendor's website.
External links
- https://plugins.trac.wordpress.org/browser/tournamatch/tags/4.6.1/includes/shortcodes/class-shortcodes.php#L273
- https://plugins.trac.wordpress.org/changeset/3295681/tournamatch/trunk/includes/shortcodes/class-shortcodes.php
- https://www.wordfence.com/threat-intel/vulnerabilities/id/fc912831-bbdd-4f8f-a620-47e41b1b731d?source=cve