Known vulnerabilities in Custom Query Blocks

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3Reported vulnerabilities

6.4Highest CVSS score

5.6.0Latest version

700+Active installs

What to do now

Update Custom Query Blocks to 5.6.0 or later. 3 of these have a fixed version available. Updating resolves them.

Plugin last updated: March 6, 2026 / Tested up to WordPress: 7.0.4 / View on wordpress.org

Reported vulnerabilities

Ordered by how urgently they need attention — whether a vulnerability is actually being exploited, and how likely exploitation is, rather than CVSS severity alone.

CVE	Severity	Exploit probability next 30 days	Affected versions	Fixed in	Published
CVE-2024-44059	Medium 6.4	0.3%	5.3.1 and earlier	`5.4.0`	August 29, 2024
CVE-2026-39575	Medium 6.4	0.2%	5.5.0 and earlier	`5.6.0`	February 12, 2026
CVE-2024-38794	Medium 5.3	0.4%	5.2.0 and earlier	`5.3.0`	July 22, 2024

Sources: vulnerability records from NVD, exploitation from CISA KEV, exploit probability from EPSS. Affected versions come from CPE ranges or from the reporting CNA.