What is CVE-2025-5016?

CVE-2025-5016 is a medium-severity vulnerability in Comesio Relevanssi – A Better Search, classified under Cross-site Scripting. CVSS score: 4.7/10. Published 2025-05-31.

How severe is CVE-2025-5016?

Medium severity. CVSS v3 base score is 4.7 out of 10.

XSS in Comesio Relevanssi – A Better Search

CVE-2025-5016

The Relevanssi – A Better Search plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the Excerpt Highlights in all versions up to, and including, 4.24.5 (Free) and 2.27.6 (Premium) due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.002 (13.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.7 (Medium). Vector: CVSS:3.1/AV:N/AC:H/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)

CWE-79 — Cross-site Scripting

References

Frequently asked questions

What is CVE-2025-5016?: CVE-2025-5016 is a medium-severity vulnerability in Comesio Relevanssi – A Better Search, classified under Cross-site Scripting. CVSS score: 4.7/10. Published 2025-05-31.
How severe is CVE-2025-5016?: Medium severity. CVSS v3 base score is 4.7 out of 10.