Relevanssi <= 4.24.3 (Free) and <= 2.27.4 (Premium) - Unauthenticated Stored Cross-Site Scripting via Search Highlights

2025-05-06 13:45

Jack Taylor

Strategic Overview

Status

Patched in 2.27.5

Affected PluginRelevanssi Premium

Affected Version<= 2.27.4

CVSS6.1Medium

CVECVE-2025-4054

View all Relevanssi Premium vulnerabilities

Vulnerability Overview

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 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 via the search results.

Technical Analysis

REMEDIATION: Update to version 2.27.5, or a newer patched version --- IDENTIFIER: CWE-79 (Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')) The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.

External References

https://www.cve.org/CVERecord?id=CVE-2025-4054 https://www.wordfence.com/threat-intel/vulnerabilities/id/6f77f10b-f142-4859-a941-0fbde6ef7fdb

CVSS Vector

6.1

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

Base

Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredNone
User InteractionRequired
ScopeChanged
ConfidentialityLow
IntegrityLow
AvailabilityNone

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