Improper sanitization of the `status` query parameter of the `/unprotected/nova_error` endpoint allows unauthenticated attacker to inject arbitrary HTTP header to the response.
https://support.cpanel.net/hc/en-us/articles/40437313190295-Security-CVE-2026-32993-cPanel-WHM-WP2-Security-Update-May-13-2026
Source: Mitre, NVD
Published: 2026-05-13
Updated: 2026-05-14
Base Score: 7.5
Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P
Severity: High
Base Score: 8.3
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:L
EPSS: 0.00066