CVE-2026-94503 WordPress Zombify plugin <= 1.7.7 - Arbitrary File Upload vulnerability

Critical 10.0 Published Updated

Attackers can upload malicious web shells to the server via the Zombify WordPress plugin, leading to remote code execution.

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-2026-94503?

CVE-2026-94503 is a critical vulnerability in PX-lab Zombify, published on 9 Oct 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Unrestricted Upload of File with Dangerous Type vulnerability in PX-lab Zombify zombify allows Upload a Web Shell to a Web Server.This issue affects Zombify: from n/a through 1.7.7.

Weakness: CWE-434

Which versions are affected by CVE-2026-94503?

How do I fix CVE-2026-94503?

No fix has been published for CVE-2026-94503 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-94503 being exploited?

There is no known exploitation of CVE-2026-94503 in the wild and no public exploit code.

Public exploit code: 1 proofs of concept on GitHub.

Sources

Also known as GHSA-wp92-94wv-wf8f.

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