CVE-2022-50893 VIAVIWEB Wallpaper Admin 1.0 - Code Execution via Image Upload

Critical 9.3 Published 13 Jan 2026 Updated 7 Apr 2026

Unauthenticated attackers can upload malicious PHP files to execute arbitrary code on the server via the image upload endpoint.

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-2022-50893?

CVE-2022-50893 is a critical vulnerability in VIAVIWEB Wallpaper Admin, published on 13 Jan 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

VIAVIWEB Wallpaper Admin 1.0 contains an unauthenticated remote code execution vulnerability in the image upload functionality. Attackers can upload a malicious PHP file through the add_gallery_image.php endpoint to execute arbitrary code on the server.

Weakness: CWE-434

Which versions are affected by CVE-2022-50893?

It affects 1 product.

Products include Viaviweb Wallpaper Admin.

How do I fix CVE-2022-50893?

No fix has been published for CVE-2022-50893 yet. Limit exposure of the affected software until one is available.

Is CVE-2022-50893 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2022-50893 exists.

Sources

Also known as GHSA-6rqh-4p26-xccx.