Strix
26.1K

CVE-2025-6290

MEDIUMCVSS 5.4/10EPSS 0.17%

Last modified

CVE-2025-6290 is a medium-severity vulnerability rated 5.4/10 on the CVSS scale. The Tournament Bracket Generator plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's 'bracket' shortcode in all versions up to, and including, 1.0.0 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.. EPSS estimates a 0.17% chance of exploitation in the next 30 days.

Description

The Tournament Bracket Generator plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's 'bracket' shortcode in all versions up to, and including, 1.0.0 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.

Metrics

CVSS 3.1
5.4/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

EPSS Probability
0.17%

6.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
BlakelongTournament Bracket Generator<= 1.0.0

References

Timeline

Published
Last Modified
Status
Analyzed

Frequently Asked Questions

What is CVE-2025-6290?
The Tournament Bracket Generator plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's 'bracket' shortcode in all versions up to, and including, 1.0.0 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.
How severe is CVE-2025-6290?
CVE-2025-6290 has a CVSS score of 5.4/10 (MEDIUM severity). The EPSS model estimates a 0.17% probability of exploitation in the next 30 days.
How do I fix CVE-2025-6290?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

How Strix Helps

Related CVEs from 2025

View all 2025CVEs →

Are you affected by CVE-2025-6290?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST