WordPress < 7.0.2 - REST API batch-route confusion and SQL injection issue leading to Remote Code Execution

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What is CVE-2026-63030?

CVE-2026-63030 is a vulnerability classified as Interpretation Conflict, affecting WordPress (affected versions: 6.9.0 – < 6.9.5 and 7.0.0 – < 7.0.2). This vulnerability is rated Critical, with a CVSS score of 9.8. This vulnerability has been observed being exploited in the wild.

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Overview

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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.

Affected products and scope

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Technical details

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Exploitability

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Technical impact

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Business impact

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Detection

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