CVE-2026-32993 Other in WP Squared

High 8.3 Published Updated

Unauthenticated attackers can inject arbitrary HTTP headers via the status parameter in the nova_error endpoint, potentially bypassing security controls.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-32993?

CVE-2026-32993 is a high-severity vulnerability in WebPros WP Squared, published on 13 May 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official 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.

Weakness: CWE-93

Which versions are affected by CVE-2026-32993?

How do I fix CVE-2026-32993?

No fix has been published for CVE-2026-32993 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-32993 being exploited?

There is no known exploitation of CVE-2026-32993 in the wild and no public exploit code.

Sources

Also known as GHSA-gc4w-fjw4-fm3h.

Is CVE-2026-32993 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free