CVE-2026-13251 HIGH

CVE-2026-13251: Perfmatters <= 2.6.4 - Unauthenticated Arbitrary File Read via 's' Parameter

Vendor Perfmatters
Product Perfmatters
Weakness CWE-22 · Path traversal
Published July 2, 2026
Last update July 2, 2026
View on NVD All CVEs

CVSS base score

7.5/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality High
Integrity None

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

July 2, 2026 CVE published
July 2, 2026 Record updated