CVE · High

CVE-2026-57671 — Perfmatters [perfmatters] < 2.6.5

CVE Vulnerability Type Severity Affected Fixed in Published Status
CVE-2026-57671 Perfmatters [perfmatters] < 2.6.5 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') High 7.1 < 2.6.5 2.6.5 2026-06-30

CVE-2026-57671

The Perfmatters plugin for WordPress contains a security flaw in versions up to 2.6.4, allowing malicious code injection through unsanitized input. As a result, unverified visitors can embed executable scripts on certain pages, which will run when visited by any user. This vulnerability enables arbitrary web scripting without requiring authentication.

Based on public CVE data (MITRE/NVD).

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