CVE-2026-57671

WordPress perfmatters plugin <= 2.6.4 - Cross Site Scripting (XSS) vulnerability

Published Jul 2, 2026 CVSS 3.1 · 7.1 High EPSS < 1% KEV · Not listed
Description
Unauthenticated Cross Site Scripting (XSS) in perfmatters <= 2.6.4 versions.

Remediation

Vendor Solution

Update the WordPress perfmatters Plugin to the latest available version (at least 2.6.5).

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Perfmatters
Perfmatters perfmatters
Wordpress
Wordpress wordpress
Vendors & Products Perfmatters
Perfmatters perfmatters
Wordpress
Wordpress wordpress
Type Values Removed Values Added
Description Unauthenticated Cross Site Scripting (XSS) in perfmatters <= 2.6.4 versions.
Title WordPress perfmatters plugin <= 2.6.4 - Cross Site Scripting (XSS) vulnerability
Weaknesses CWE-79
References
Metrics cvssV3_1

{'score': 7.1, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
Patchstack
Published
Updated
Jul 2, 2026, 12:39 PM
Reserved
Jun 25, 2026, 8:03 AM
Status
Deferred
Published
Jul 2, 2026, 12:17 PM
Modified
Jul 2, 2026, 1:58 PM