# CVE-2025-47539: WordPress Eventin plugin <= 4.0.26 - Privilege Escalation Vulnerability

- Exploited (CISA KEV): no
- Published: 2025-05-23
- CVSS: 9.8 CRITICAL (v3.1)
- EPSS: 25.4% (98th percentile)
- CWE: CWE-266

Incorrect Privilege Assignment vulnerability in Arraytics Eventin wp-event-solution allows Privilege Escalation.This issue affects Eventin: from n/a through <= 4.0.26.

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

| Vendor | Status | First rule | Days after publication |
|---|---|---|---|
| Cloudflare | No public claim | — | — |
| AWS | No public claim | — | — |
| Microsoft Azure | No public claim | — | — |
| Google Cloud | No public claim | — | — |
| Fastly | Before feed history | — | — |
| F5 | Rule published | 2025-08-24 | 93 |
| Akamai | No public source | — | — |
| OWASP CRS | No public claim | — | — |

### F5

- 2025-08-24 · new · rule 200013128
  > Added: signature 200013128 "Eventin WordPress Plugin Privilege Escalation" (Authentication/Authorization Attacks, risk High), systems: PHP, WordPress. References: CVE-2025-47539.
  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 1 requests blocked), template CVE-2025-47539, 2026-11-02
- OWASP Core Rule Set 4.25.0, paranoia level 2, anomaly threshold 5, default CRS settings: passed (0 of 1 requests blocked), template CVE-2025-47539, 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-2025-47539 · JSON: https://cve.vigilbase.com/api/v1/cves/CVE-2025-47539