WordPress plugin
Boost 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.
- Critical1
- High3
- Medium0
- Low0
All Boost vulnerabilities
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Boost: common questions
Does Boost have known vulnerabilities?
Yes. VulnCrest Radar lists 4 known vulnerabilities in Boost: 1 critical, 3 high. At least one is not fixed in the latest version.
How do I check which version of Boost 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 Boost vulnerability?
CVE-2026-32556, published Aug 24, 2026: Boost <= 2.0.4 - Unauthenticated Stored Cross-Site Scripting. Severity: High (CVSS 7.2).
Is any Boost vulnerability listed in CISA KEV?
No. None of the known Boost vulnerabilities is currently listed in the CISA KEV catalog.