XSS in Comesio Relevanssi – A Better Search
CVE-2025-4054
The Relevanssi – A Better Search plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the highlights functionality in all versions up to, and including, 4.24.3 (Free) and <= 2.27.4 (Premium), due to insufficient input sani…
Vulnerability class: XSS (Cross-Site Scripting)
EPSS: 0.007 (73.2th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.
Affected products
- Comesio Relevanssi – A Better Search — versions 0
- Relevanssi Premium — versions 0
Weakness classification (CWE)
References
- www.wordfence.com/threat-intel/vulnerabilities/id/6f77f10b-f142-4859-a941-0fbde…
- plugins.trac.wordpress.org/browser/relevanssi/tags/4.24.3/lib/excerpts-highligh…
- plugins.trac.wordpress.org/browser/relevanssi/tags/4.24.3/lib/excerpts-highligh…
- www.relevanssi.com/user-manual/installing-relevanssi-and-adjusting-the-settings/
- plugins.trac.wordpress.org/changeset/3283795/
Frequently asked questions
- What is CVE-2025-4054?
- CVE-2025-4054 is a medium-severity vulnerability in Comesio Relevanssi – A Better Search, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2025-05-07.
- How severe is CVE-2025-4054?
- Medium severity. CVSS v3 base score is 6.1 out of 10.