# CVE-2026-63030: WordPress Core Interpretation Conflict Vulnerability

- Exploited (CISA KEV): yes, added 2026-07-21
- Published: 2026-07-17
- CVSS: 9.8 CRITICAL (v3.1)
- EPSS: 10.6% (96th percentile)
- CWE: CWE-436

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.

## Edge WAF coverage (claimed by vendors, not measured)

| Vendor | Status | First rule | Days after publication |
|---|---|---|---|
| Cloudflare | Blocks by default | 2026-07-21 | — |
| AWS | No public claim | — | — |
| Microsoft Azure | Rule published | — | — |
| Google Cloud | No public claim | — | — |
| Fastly | Before feed history | — | — |
| F5 | Rule published | 2026-09-16 | 61 |
| Akamai | No public source | — | — |
| OWASP CRS | No public claim | — | — |

### Cloudflare

- 2026-07-21 · updated · rule 7dfb2bd4708d4b88b9911dc0550664b6 · default Block
  > Wordpress - Remote Code Execution - CVE:CVE-2026-63030. Previous action: N/A. New action: Block. This was labeled as Generic Rules - Unauthenticated RCE.
  Source: https://developers.cloudflare.com/changelog/post/2026-07-21-waf-release/
- 2026-07-21 · updated · rule ebd3f2df15c74ddcbf6220c9b5ec246a · default Block
  > Wordpress - Remote Code Execution - CVE:CVE-2026-63030. Previous action: N/A. New action: Block. This was labeled as Generic Rules - Unauthenticated RCE.
  Source: https://developers.cloudflare.com/changelog/post/2026-07-21-waf-release/

### Microsoft Azure

- undated · listed · rule 99001019
  > Rule 99001019: Critical - 5 · 2 · Attempted WP2Shell remote code execution exploitation CVE-2026-63030
  Source: https://learn.microsoft.com/en-us/azure/web-application-firewall/afds/waf-front-door-drs
- undated · listed · rule 99001019
  > Rule 99001019: Critical - 5 · 2 · Attempted WP2Shell remote code execution exploitation CVE-2026-63030
  Source: https://learn.microsoft.com/en-us/azure/web-application-firewall/ag/application-gateway-crs-rulegroups-rules
- undated · listed · rule 800116
  > Rule 800116: Critical - 5 · PL2 · Attempted WP2Shell remote code execution exploitation CVE-2026-63030
  Source: https://learn.microsoft.com/en-us/azure/web-application-firewall/ag/application-gateway-crs-rulegroups-rules

### F5

- 2026-09-16 · new · rule 200013195
  > Added: signature 200013195 "WordPress REST API Authorization Bypass" (Authentication/Authorization Attacks, risk High), systems: WordPress. References: CVE-2026-63030, CVE-2026-60137.
  Source: https://docs.cloud.f5.com/docs-v2/platform/changelogs/security-details-changelog

## Our test (measured)

- OWASP Core Rule Set 4.25.0, paranoia level 1, anomaly threshold 5, default CRS settings: passed (0 of 2 requests blocked), template CVE-2026-63030, 2026-11-02
- OWASP Core Rule Set 4.25.0, paranoia level 2, anomaly threshold 5, default CRS settings: passed (0 of 2 requests blocked), template CVE-2026-63030, 2026-11-02

## Social

1 posts seen since 2026-11-02.

- Exploit repository (unvetted): https://github.com/l-i-uqing/CVE-2026-63030-wp2shell-repro

"No public claim" means no vendor statement names this CVE; "Before feed history" means the CVE is older than the vendor feed. In both cases generic rules may still block it.

HTML: https://cve.vigilbase.com/cve/CVE-2026-63030 · JSON: https://cve.vigilbase.com/api/v1/cves/CVE-2026-63030