CVE-2025-5016 MEDIUM

CVE-2025-5016: Relevanssi <= 4.24.5 (Free) and <= 2.27.6 (Premium) - Unauthenticated Stored Cross-Site Scripting via Excerpt Highlights

Vendor Relevanssi
Product Relevanssi Premium
Weakness CWE-79 · XSS
Published May 31, 2025
Last update April 8, 2026

CVSS base score

4.7/10
Attack vector Network
Attack complexity High
Privileges required None
User interaction Required
Confidentiality Low
Integrity Low

CVSS vector

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

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

May 31, 2025 CVE published
April 8, 2026 Record updated

Related vulnerabilities

04Related CVE