# CVE-2026-87902: WordPress Core Remote File Inclusion Vulnerability

- Exploited (CISA KEV): yes, added 2026-09-25
- Published: 2026-09-22
- CVSS: 8.1 HIGH (v3.1)
- EPSS: 95.8% (100th percentile)
- CWE: CWE-98

An unauthenticated attacker can make `get_page_template()` page-template resolution include a chosen readable local `.php` file outside the active theme directories. If relevant pre-conditions for both the server and the active theme are met, this can lead to RCE.

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

| Vendor | Status | First rule | Days after publication |
|---|---|---|---|
| Cloudflare | Blocks by default | 2026-09-25 | 3 |
| AWS | No public claim | — | — |
| Microsoft Azure | No public claim | — | — |
| Google Cloud | No public claim | — | — |
| Fastly | Before feed history | — | — |
| F5 | Rule published | 2026-10-21 | 29 |
| Akamai | No public source | — | — |
| OWASP CRS | No public claim | — | — |

### Cloudflare

- 2026-09-25 · new · rule 64bcec36a74e445891d08a9870a43f96 · default Block
  > Wordpress - Path Traversal, Local File Inclusion - CVE:CVE-2026-87902. Previous action: N/A. New action: Block. This is a new detection.
  Source: https://developers.cloudflare.com/changelog/post/2026-09-25-emergency-waf-release/

### F5

- 2026-10-21 · new · rule 200009389
  > Added: signature 200009389 "WordPress Local File Inclusion" (Information Leakage, risk High), systems: WordPress. References: CVE-2026-87902.
  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: partial (2 of 5 requests blocked), template CVE-2026-87902, 2026-11-02
- OWASP Core Rule Set 4.25.0, paranoia level 2, anomaly threshold 5, default CRS settings: partial (2 of 5 requests blocked), template CVE-2026-87902, 2026-11-02

"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-2026-87902 · JSON: https://cve.vigilbase.com/api/v1/cves/CVE-2026-87902