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NVD HIGH: CVE-2026-4267 — The Query Monitor – The developer tools panel for WordPress plugin for WordPress...

Tuesday, March 31, 2026 at 12:16 PM UTC·Source: NIST NVD

Updated: Monday, April 6, 2026 at 12:17 AM UTC

Executive Summary

The Query Monitor – The developer tools panel for WordPress plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via the ‘$_SERVER['REQUEST_URI']’ parameter in all versions up to, and including, 3.20.3 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that execute if they can suc

Analysis

The Query Monitor – The developer tools panel for WordPress plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via the ‘$_SERVER['REQUEST_URI']’ parameter in all versions up to, and including, 3.20.3 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that execute if they can successfully trick a user into performing an action such as clicking on a link. CVSS Score: 7.2. Published: 2026-03-31T12:16:31.360.

Indicators of Compromise (1)

CVE (1)
CVE-2026-4267
NVDMITRE CVE
Source Attribution

Originally published by NIST NVD on Mar 31, 2026. Verified by: NIST.

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