CVE-2026-13251

Perfmatters <= 2.6.4 - Unauthenticated Arbitrary File Read via 's' Parameter

Published Jul 2, 2026 CVSS 3.1 · 7.5 High EPSS < 1% KEV · Not listed
Description
The Perfmatters plugin for WordPress is vulnerable to Directory Traversal in all versions up to, and including, 2.6.4 via the 's' parameter. This makes it possible for unauthenticated attackers to read the contents of arbitrary files on the server, which can contain sensitive information. Exploitation requires the Local Google Fonts feature to be enabled (disabled by default), pretty permalinks to be active, and RSS feed links to remain enabled in the plugin settings.

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', '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 The Perfmatters plugin for WordPress is vulnerable to Directory Traversal in all versions up to, and including, 2.6.4 via the 's' parameter. This makes it possible for unauthenticated attackers to read the contents of arbitrary files on the server, which can contain sensitive information. Exploitation requires the Local Google Fonts feature to be enabled (disabled by default), pretty permalinks to be active, and RSS feed links to remain enabled in the plugin settings.
Title Perfmatters <= 2.6.4 - Unauthenticated Arbitrary File Read via 's' Parameter
Weaknesses CWE-22
References
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
Wordfence
Published
Updated
Jul 2, 2026, 3:54 PM
Reserved
Jun 24, 2026, 6:41 PM
Status
Deferred
Published
Jul 2, 2026, 10:16 AM
Modified
Jul 2, 2026, 4:16 PM