Description
Improper sanitization of the `status` query parameter of the `/unprotected/nova_error` endpoint allows unauthenticated attacker to inject arbitrary HTTP header to the response.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| WebPros | cPanel | 11.132.0.0 – < 11.132.0.32, 11.134.0.0 – < 11.134.0.26, 11.136.0.0 – < 11.136.0.10 | 11.132.0.32 |
| WebPros | WP Squared | 11.132.1.0 – < 11.136.1.12 | 11.136.1.12 |
Advisories 1
- WID-SEC-2026-1538 cPanel cPanel/WHM: Mehrere Schwachstellen BSI CERT-Bund (WID) · May 14, 2026