CVE-2026-63030
WordPress Core Interpretation Conflict Vulnerability
CVSS
9.8
Critical
EPSS
97.3%
p100
KEV
YES
Jul 21, 2026
Exploit Today
80
0-100
Published: Jul 17, 2026 · Last modified: Jul 22, 2026 · CWE-436
Product
WordPress / Core
Vulnerability
WordPress Core Interpretation Conflict Vulnerability
Added to KEV
Jul 21, 2026
Remediate by
Jul 24, 2026
Known ransomware use
No
Summary description
WordPress Core contains an interpretation conflict vulnerability that could allow an attacker to perform SQL Injection and achieve Remote Code Execution. This vulnerability can be chained with CVE-2026-60137.
Required action
Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.
Notes
https://wordpress.org/news/2026/07/wordpress-7-0-2-release/ ; BOD 26-04: https://www.cisa.gov/news-events/directives/bod-26-04-prioritizing-security-updates-based-risk ; Forensics Triage Requirements: https://www.cisa.gov/news-events/directives/bod-26-04-implementation-guidance-prioritizing-security-updates-based-risk ; https://nvd.nist.gov/vuln/detail/CVE-2026-63030
WordPress 6.9.x before 6.9.5 and 7.0.x before 7.0.2 is affected by a REST API batch endpoint route confusion issue which, combined with the author__not_in WP_Query SQL Injection (CVE-2026-60137), could allow an attacker to perform SQL Injection and achieve Remote Code Execution.