# CVE-2025-2563: User Registration & Membership < 4.1.2- Unauthenticated Privilege Escalation

- Exploited (CISA KEV): no
- Published: 2025-04-14
- CVSS: 8.1 HIGH (v3.1)
- EPSS: 49.1% (99th percentile)

The User Registration & Membership  WordPress plugin before 4.1.2 does not prevent users to set their account role when the Membership Addon is enabled, leading to a privilege escalation issue and allowing unauthenticated users to gain admin privileges

## 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 | 2025-05-22 | 38 |
| Akamai | No public source | — | — |
| OWASP CRS | No public claim | — | — |

### F5

- 2025-05-22 · new · rule 200013114
  > Added: signature 200013114 "WordPress User Registration & Membership Privilege Escalation" (Authentication/Authorization Attacks, risk High), systems: WordPress. References: CVE-2025-2563.
  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 6 requests blocked), template CVE-2025-2563, 2026-11-02
- OWASP Core Rule Set 4.25.0, paranoia level 2, anomaly threshold 5, default CRS settings: partial (2 of 6 requests blocked), template CVE-2025-2563, 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-2025-2563 · JSON: https://cve.vigilbase.com/api/v1/cves/CVE-2025-2563