CVEs / CVE-2026-63030
CVE-2026-63030: WordPress Core Interpretation Conflict Vulnerability
- Known exploited in the CISA KEV catalog since 21 Jul 2026
- critical 9.8 CVSS 3.1 (from the CNA)
- EPSS 10.6% chance of exploitation in the next 30 days, higher than 95% of CVEs (30 Oct 2026)
- Last changed at its sources
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Summary
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.
Description
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 and fixed versions
| Product | Affected | Fixed in |
|---|---|---|
| WordPress WordPress | from 6.9.0, before 6.9.5 | 6.9.5 |
| WordPress WordPress | from 7.0.0, before 7.0.2 | 7.0.2 |
Exploitation
| In CISA KEV since | 21 Jul 2026 |
|---|---|
| Due date for US federal agencies | 24 Jul 2026 |
| Used in ransomware campaigns | Unknown |
| 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. |
Severity
| CVSS 3.1 | 9.8 criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HScored by the CNA ([email protected]) |
|---|---|
| Weakness | CWE-436 |
References
- CVE-2026-63030 on NVD
- CVE-2026-63030 in the CISA KEV catalog
- https://wordpress.org/news/2026/07/wordpress-7-0-2-release/ (cited by CISA)
- https://www.cisa.gov/news-events/directives/bod-26-04-prioritizing-security-updates-based-risk (cited by CISA)
- https://www.cisa.gov/news-events/directives/bod-26-04-implementation-guidance-prioritizing-security-updates-based-risk (cited by CISA)
- https://github.com/WordPress/wordpress-develop/security/advisories/GHSA-ff9f-jf42-662q Vendor Advisory
- https://wordpress.org/news/2026/07/wordpress-7-0-2-release/ Release Notes
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-63030 US Government Resource
Sources
Exploitation status from the CISA Known Exploited Vulnerabilities catalog. EPSS scores from FIRST. Descriptions, severity and references from the National Vulnerability Database. Open-source package versions from OSV (CC-BY 4.0). Text is shown as each source states it; Stackurity does not edit it. Check the vendor's advisory before acting.
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