WordPress Create Block Theme plugin < 2.10.0 - Admin+ PHP Code Injection via Pattern Save (Multisite) vulnerability

Admin+ PHP Code Injection via Pattern Save Multisite vulnerability discovered by Pavan Saxena Rootkid in WordPress Plugin Create Block Theme versions 2.10.0...

CVE-2026-16623 Create Block Theme < 2.10.0 - Admin+ PHP Code Injection via Pattern Save (Multisite)

The Create Block WordPress plugin before 2.10.0 does not correctly escape user-supplied text before writing it into a generated PHP pattern file, allowing a multisite subsite administrator who holds the capability gating this action but is denied the capability that normally gates PHP file editin...

CVE-2026-16623

The Create Block WordPress plugin (versions before 2.10.0 ) is vulnerable to PHP code injection due to improper escaping of user-supplied text when writing to a generated PHP pattern file. This flaw allows a multisite subsite administrator —who possesses the capability to perform the action but i...