# CVE-2023-28121: WooCommerce Payments WordPress Plugin

- Exploited (CISA KEV): no
- Published: 2023-04-12
- CVSS: not scored
- EPSS: 87.4% (100th percentile)
- CWE: CWE-287

An issue in WooCommerce Payments plugin for WordPress (versions 5.6.1 and lower) allows an unauthenticated attacker to send requests on behalf of an elevated user, like administrator. This allows a remote, unauthenticated attacker to gain admin access on a site that has the affected version of the plugin activated.

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

| Vendor | Status | First rule | Days after publication |
|---|---|---|---|
| Cloudflare | Before feed history | — | — |
| AWS | No public claim | — | — |
| Microsoft Azure | No public claim | — | — |
| Google Cloud | Before feed history | — | — |
| Fastly | Before feed history | — | — |
| F5 | Rule published | 2023-08-08 | 118 |
| Akamai | No public source | — | — |
| OWASP CRS | No public claim | — | — |

### F5

- 2023-08-08 · new · rule 200014029
  > Added: signature 200014029 "WordPress WooCommerce Unauthorized Admin Access" (Abuse of Functionality, risk High), systems: PHP, WordPress. References: CVE-2023-28121.
  Source: https://docs.cloud.f5.com/docs-v2/platform/changelogs/security-details-changelog
- 2023-09-12 · new · rule 200014029
  > Added: signature 200014029 "WordPress WooCommerce Unauthorized Admin Access" (Abuse of Functionality, risk High), systems: PHP, WordPress. References: CVE-2023-28121.
  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-2023-28121, 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-2023-28121, 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-2023-28121 · JSON: https://cve.vigilbase.com/api/v1/cves/CVE-2023-28121