WordPress plugin
WPSpeed – WordPress Speed, Cache & Performance Optimization (Core Web Vitals, PageSpeed 100) security & vulnerabilities
No known unpatched vulnerabilities in the latest version
All 2 known vulnerabilities are fixed in the latest release. If you run an older version, update to null or newer.
- Critical0
- High0
- Medium2
- Low0
All WPSpeed – WordPress Speed, Cache & Performance Optimization (Core Web Vitals, PageSpeed 100) vulnerabilities
| Severity | Vulnerability | CVE | Published |
|---|---|---|---|
| Medium6.4 | Authenticated (Subscriber+) Stored Cross-Site Scripting via User Nickname/Display Name ≤2.6.10Update to 2.6.11 | CVE-2026-118784 | |
| Medium4.3 | Cross-Site Request Forgery ≤2.6.5Update to 2.6.6 | CVE-2025-47590 |
- Medium6.4Authenticated (Subscriber+) Stored Cross-Site Scripting via User Nickname/Display Name
≤2.6.10Update to 2.6.11
- Medium4.3Cross-Site Request Forgery
≤2.6.5Update to 2.6.6
WPSpeed – WordPress Speed, Cache & Performance Optimization (Core Web Vitals, PageSpeed 100): common questions
Does WPSpeed – WordPress Speed, Cache & Performance Optimization (Core Web Vitals, PageSpeed 100) have known vulnerabilities?
Yes. VulnCrest Radar lists 2 known vulnerabilities in WPSpeed – WordPress Speed, Cache & Performance Optimization (Core Web Vitals, PageSpeed 100): 2 medium. None are known to affect version null.
How do I check which version of WPSpeed – WordPress Speed, Cache & Performance Optimization (Core Web Vitals, PageSpeed 100) I run?
In wp-admin open Plugins → Installed Plugins; the version is shown under the name. Without admin access, our passive Check my site tool can often read it from public files.
What is the most recent WPSpeed – WordPress Speed, Cache & Performance Optimization (Core Web Vitals, PageSpeed 100) vulnerability?
CVE-2026-118784, published Nov 6, 2026: WPSpeed <= 2.6.10 - Authenticated (Subscriber+) Stored Cross-Site Scripting via User Nickname/Display Name. Severity: Medium (CVSS 6.4).
Is any WPSpeed – WordPress Speed, Cache & Performance Optimization (Core Web Vitals, PageSpeed 100) vulnerability listed in CISA KEV?
No. None of the known WPSpeed – WordPress Speed, Cache & Performance Optimization (Core Web Vitals, PageSpeed 100) vulnerabilities is currently listed in the CISA KEV catalog.