WordPress plugin
Speedup Optimization security & vulnerabilities
Unpatched vulnerability in the latest version
At least one vulnerability affects the latest version and no fix has been released. Deactivate the plugin or restrict access to the affected feature until the vendor ships a patch.
- Critical0
- High0
- Medium1
- Low0
All Speedup Optimization vulnerabilities
| Severity | Vulnerability | CVE | Published |
|---|---|---|---|
| Medium4.3 | Missing Authorization to Authenticated (Subscriber+) Plugin Settings Update via 'speedup01_enabled' AJAX Action ≤1.5.9No patch available | CVE-2026-4127 |
- Medium4.3Missing Authorization to Authenticated (Subscriber+) Plugin Settings Update via 'speedup01_enabled' AJAX Action
≤1.5.9No patch available
Speedup Optimization: common questions
Does Speedup Optimization have known vulnerabilities?
Yes. VulnCrest Radar lists 1 known vulnerability in Speedup Optimization: 1 medium. At least one is not fixed in the latest version.
How do I check which version of Speedup Optimization 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 Speedup Optimization vulnerability?
CVE-2026-4127, published Mar 20, 2026: Speedup Optimization <= 1.5.9 - Missing Authorization to Authenticated (Subscriber+) Plugin Settings Update via 'speedup01_enabled' AJAX Action. Severity: Medium (CVSS 4.3).
Is any Speedup Optimization vulnerability listed in CISA KEV?
No. None of the known Speedup Optimization vulnerabilities is currently listed in the CISA KEV catalog.