Interpretation Conflict in WordPress - CVE-2026-63030
Published: July 22, 2026 / Updated: August 6, 2026
Vulnerability identifier: #VU139077
CSH Severity: Critical
CVSS v4: 9.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-63030
CWE-ID: CWE-436
Exploitation vector: Remote access
Exploit availability:
The vulnerability is being exploited in the wild
Vulnerability details
The vulnerability allows a remote attacker to compromise the affected system.
The vulnerability exists due to a REST API batch-route confusion. A remote attacker can leverage SQL injection vulnerability #VU139076 (CVE-2026-60137) to execute arbitrary PHP code on the server.
Affected software
WordPress
How to mitigate CVE-2026-63030
Install updates from vendor's website.
WordPress - addressed in versions 6.9.5, 7.0.2