CVE Catalog

CVE-2026-16623

HighCVSS 8.0
Published: Updated: Translated: NVD NIST

Exploitation Probability (EPSS)

Low risk
0.23%

14th percentile - higher than 14% of all known CVEs

Summary

The Create Block WordPress plugin before version 2.10.0 does not correctly escape user-supplied text before writing it into a generated PHP pattern file, allowing a multisite subsite administrator to inject and execute arbitrary PHP code on the server.

Risk Assessment

A subsite administrator can execute arbitrary PHP code on the server, potentially leading to full server compromise and data breach.

Recommendation

Update the Create Block plugin to version 2.10.0 or later immediately.

Related vulnerabilities

Original NVD description (English source)

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 editing) to inject and execute arbitrary PHP code on the server.

Vulnerability data from NVD (NIST) · CISA KEV · EPSS