CVE-2026-16623

HighCVSS 8.0/10Last modified Aug 26, 2026

Description

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.

Metrics

CVSS 3.1 8.0/10CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H

Weakness enumeration

Affected software

No affected versions have been published.

Timeline

Published
Aug 4, 2026
Last modified
Aug 26, 2026
NVD status
Deferred

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CVE-2026-16623: High severity, CVSS 8.0 | Vulnix