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Custom Query Blocks

Custom Query Blocks is a WordPress component with 2 published CVE records in this archive. The latest tracked vulnerability was published Apr 08, 2026; the highest CVE/CNA score is 6.5.

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CVE-2026-39575: Custom Query Blocks: Cross-site scripting

Custom Query Blocks is affected by cross-site scripting. Exposure depends on how the affected operation is made reachable by the site. Injected script can execute in the affected site's origin when the vulnerable output is viewed. The published affected range is <= 5.5.0.

PublishedApr 08, 2026
Known safe version5.6.0
Safe version
Apr 08, 2026 CVE-2026-39575
Custom Query Blocks: Cross-site scripting
Custom Query Blocks is affected by cross-site scripting. Exposure depends on how the affected operation is made reachable by the site. Injected script can execute in the affected site's origin when the vulnerable output is viewed. The published affected range is <= 5.5.0.
5.6.0
CVE6.5
NVDPending
Nov 01, 2024 CVE-2024-38794
Custom Query Blocks: A security weakness
Custom Query Blocks is affected by a security weakness. Exposure depends on how the affected operation is made reachable by the site. The resulting impact depends on how the affected component exposes the vulnerable operation.
See mitigation notes
CVE5.3
NVDPending