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Vulnerability DatabaseCVE-2025-5016
CVE-2025-5016:
WordPress vulnerability analysis and mitigation
Overview
The Relevanssi – A Better Search plugin for WordPress contains a Stored Cross-Site Scripting (XSS) vulnerability (CVE-2025-5016) that was discovered and disclosed on May 31, 2025. The vulnerability affects all versions up to and including 4.24.5 (Free) and 2.27.6 (Premium) of the plugin (NVD, Wiz).
Technical details
The vulnerability stems from insufficient input sanitization and output escaping in the Excerpt Highlights feature. It has been assigned a CVSS v3.1 Base Score of 4.7 (MEDIUM) with the vector string CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:N. The vulnerability is classified as CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') (NVD, Wiz).
Impact
The vulnerability allows unauthenticated attackers to inject arbitrary web scripts into pages that will execute whenever a user accesses an injected page. This can lead to potential client-side attacks and compromise of user sessions (NVD).
Additional resources
Source: This report was generated using AI
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