CVE-2026-42757 WordPress WebinarIgnition plugin < 4.08.253 - Arbitrary File Deletion vulnerability

Critical 9.9 Published Updated

An attacker can delete arbitrary files on the server via path traversal in the WebinarIgnition WordPress plugin.

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

What is CVE-2026-42757?

CVE-2026-42757 is a critical path traversal vulnerability in Saleswonder Team: Tobias WebinarIgnition, published on 27 May 2026. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') vulnerability in Saleswonder Team: Tobias WebinarIgnition webinar-ignition allows Path Traversal.This issue affects WebinarIgnition: from n/a through < 4.08.253.

Weakness: CWE-22

Which versions are affected by CVE-2026-42757?

How do I fix CVE-2026-42757?

No fix has been published for CVE-2026-42757 yet. Limit exposure of the affected software until one is available.

Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.

Is CVE-2026-42757 being exploited?

There is no known exploitation of CVE-2026-42757 in the wild and no public exploit code.

Sources

Also known as GHSA-3fj5-pxmx-ggjp.

Is CVE-2026-42757 in your software?

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