Custom Block Builder

WordPress plugin · custom-block-builder · WordPress.org ↗

Critical

High

Known total

Unfixed

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Severity	Vulnerability	Affected	Fixed in	CVE	Published
LOW CVSS 3.5	Lazy Blocks < 4.3.0 - Admin+ Stored XSS via Custom Block Frontend HTML CVE.org	>=0, <4.3.0	v4.3.0	CVE-2026-8981	Jun 9, 2026

Data aggregated from WPVulnerability, NVD/NIST, ENISA EUVD, CVE.org and WordPress.org. Provided as-is; verify with the plugin author before acting. Disclaimer.