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Perfmatters vulnerabilities

9 tracked advisories · slug perfmatters

Important: Perfmatters appearing in this catalog does not mean your website is affected. Exposure depends on your installed version. How SiteRespond intelligence works

Tracked advisories

9

Latest advisory

1 July 2026

CISA KEV matches

0

In this WordPress feed

WordPress slug

perfmatters

Plugin

What this means for Perfmatters

This catalog lists 9 known advisories affecting Perfmatters. The most recent was published on 1 July 2026. If you use this software, compare your installed version against the affected ranges on each advisory and update to a fixed release outside those ranges. SiteRespond Defence checks your actual installed version when the plugin is connected — listing here does not by itself mean your site is vulnerable.

Latest issues

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

    This advisory describes a other issue in the affected software. Review the source advisory and your installed version to assess exposure.

    Published 1 July 2026

  • Perfmatters <= 2.6.4 - Unauthenticated Stored Cross-Site Scripting

    May allow attackers to run scripts in visitors' browsers or hijack admin sessions.

    Published 30 June 2026

  • Perfmatters <= 2.6.3 - Reflected Cross-Site Scripting

    May allow attackers to run scripts in visitors' browsers or hijack admin sessions.

    Published 25 June 2026

Vulnerability types

  • Cross-site scripting4
  • CSRF1

Authentication (inferred from titles)

  • Unauthenticated2
  • Authenticated3
  • Unspecified4

Advisory history

Known Perfmatters advisories published by month.

All advisories

Check whether your installed version is affected

SiteRespond Defence matches your installed Perfmatters version against this catalog when the Defence plugin is connected to your WordPress site.

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