WordPress plugin
Custom Query Blocks security & vulnerabilities
No known unpatched vulnerabilities in the latest version
All 4 known vulnerabilities are fixed in the latest release. If you run an older version, update to null or newer.
- Critical0
- High0
- Medium4
- Low0
All Custom Query Blocks vulnerabilities
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Custom Query Blocks: common questions
Does Custom Query Blocks have known vulnerabilities?
Yes. VulnCrest Radar lists 4 known vulnerabilities in Custom Query Blocks: 4 medium. None are known to affect version null.
How do I check which version of Custom Query Blocks 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 Custom Query Blocks vulnerability?
CVE-2026-108168, published Oct 12, 2026: Custom Query Blocks <= 5.6.0 - Authenticated (Contributor+) Stored Cross-Site Scripting. Severity: Medium (CVSS 6.4).
Is any Custom Query Blocks vulnerability listed in CISA KEV?
No. None of the known Custom Query Blocks vulnerabilities is currently listed in the CISA KEV catalog.