Perfmatters develops a focused WordPress optimization plugin whose vulnerability profile concentrates on web-application layer issues including cross-site scripting, cross-site request forgery, and missing authorization controls. These weakness classes are characteristic of third-party WordPress extensions and reflect the challenge of securing user input and request validation in plugin architecture; live severity, exploitation, and exposure counts are shown alongside this summary.
The number and severity of CVEs published that impact products developed by Perfmatters over time
Signals from CVEs in this vendor scope (8 CVEs).
8 CVEs · Highest risk first
| CVE | Published | CVSS | Risk | KEV | Exploit |
|---|---|---|---|---|---|
CVE-2026-13251HIGH 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 unauthentica | Jul 2, 2026 | 7.5 | 34 | NO | NO |
CVE-2026-4350HIGH The Perfmatters plugin for WordPress is vulnerable to arbitrary file deletion via path traversal in all versions up to, and including, 2.5.9.1. This is due to the `PMCS::action_han | Apr 3, 2026 | 8.1 | 32 | NO | NO |
CVE-2026-57671HIGH Unauthenticated Cross Site Scripting (XSS) in perfmatters <= 2.6.4 versions. | Jul 2, 2026 | 7.1 | 31 | NO | NO |
CVE-2026-4351HIGH The Perfmatters plugin for WordPress is vulnerable to arbitrary file overwrite via path traversal in all versions up to, and including, 2.5.9. This is due to the `PMCS::action_hand | Apr 10, 2026 | 8.1 | 28 | NO | NO |
CVE-2023-47875HIGH Cross-Site Request Forgery (CSRF) vulnerability in Perfmatters allows Cross Site Request Forgery.This issue affects Perfmatters: from n/a through 2.1.6. | Nov 30, 2023 | 8.8 | 25 | NO | NO |
CVE-2023-47874HIGH Missing Authorization vulnerability in Perfmatters.This issue affects Perfmatters: from n/a through 2.1.6. | Feb 29, 2024 | 8.8 | 24 | NO | NO |
CVE-2023-47876MEDIUM Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Perfmatters allows Reflected XSS.This issue affects Perfmatters: from n/a thro | Nov 30, 2023 | 6.1 | 19 | NO | NO |
CVE-2023-47877MEDIUM Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Perfmatters allows Stored XSS.This issue affects Perfmatters: from n/a before | Nov 30, 2023 | 5.4 | 15 | NO | NO |
Signals from CVEs in this vendor scope (8 CVEs).
An overview of all social media posts that mention a CVE ID that affects a product developed by Perfmatters.
Media articles that mention a CVE ID that affects a product developed by Perfmatters — matched by CVE ID, not by vendor name.