CVE-2026-13251 | The Perfmatters plugin for WordPress is vulnerable to Direct… | CVSS 7.5 HIGH

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.

Metadata

CVE ID: CVE-2026-13251
State: PUBLISHED
Assigner: Wordfence
Reserved: 2026-06-24 18:41 UTC
Published: 2026-07-02 09:32 UTC
Last updated: 2026-07-02 15:54 UTC
Primary CWE: CWE-22
CWE-22 Improper Limitation of a Pathname to a Restricted Dir…
Vendor / Product: perfmatters / Perfmatters
Sources: cve.org · NVD

Severity & Metrics

7.5 HIGH CVSS 3.1

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

SSVC — CISA Coordinator

Exploitation: none
Automatable: yes
Tech. Impact: partial

Affected products (1)

Vendor	Product	Platform	Versions
perfmatters	Perfmatters	—	0 ≤ 2.6.4

Weakness (CWE)

CWE	Source	Description
CWE-22	cna	CWE-22 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

CVSS scores (1)

Score	Severity	Version	Source	Vector
7.5	HIGH	3.1	cna	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

References (3)