CVE-2025-4594: The Tournamatch plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's 'trn-ladder

Q: How do I fix CVE-2025-4594?

tournamatch: upgrade to 4.6.2. Exact commands for each OS are on this page.

Q: Is CVE-2025-4594 being exploited?

CVE-2025-4594 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2025-4594 affect?

CVE-2025-4594 affects tournamatch. Severity is medium (CVSS 6.4). 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 esca

Q: How urgent is CVE-2025-4594?

Priority 28/100. No elevated risk signals yet.

Routine

MEDIUM 6.4UPGRADE

CVE-2025-4594 is a medium-severity flaw (CVSS 6.4) affecting tournamatch. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	6.4 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.3% (top 79%)
CISA exploited list	No
Weakness	CWE-79
Published	2025-05-23
Last modified	2026-06-17

Publisher (CNA): Wordfence · Vendor: tournamatch

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2025-05-23 04:15 UTCPublished CVE record published
2026-06-17 09:33 UTCUpdated Record last modified

tournamatch tournamatch UPGRADE

Affected: < 4.6.2

Fixed in: 4.6.2

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy tournamatch || rpm -q tournamatch || tournamatch --version

2. UPGRADE to 4.6.2 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade tournamatch

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade tournamatch

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2025-4594?

tournamatch: upgrade to 4.6.2. Exact commands for each OS are on this page.

Is CVE-2025-4594 being exploited?

CVE-2025-4594 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2025-4594 affect?

CVE-2025-4594 affects tournamatch. Severity is medium (CVSS 6.4). 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 esca

How urgent is CVE-2025-4594?

Priority 28/100. No elevated risk signals yet.

Software pages

WordPress vulnerabilities

Related CVEs

CVE-2024-5644 MEDIUM 5.4 UPGRADE The Tournamatch WordPress plugin before 4.6.1 does not sanitise and escape some of its settings, which could a
CVE-2024-5627 MEDIUM 5.4 UPGRADE The Tournamatch WordPress plugin before 4.6.1 does not sanitise and escape some parameters, which could allow

References

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