CVE-2020-26678 File upload in n/a

High 8.8 Published 26 May 2021 Updated 9 Jul 2026

Authenticated users can upload malicious PHP files via profile picture functionality to achieve remote code execution on the server.

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-2020-26678?

CVE-2020-26678 is a high-severity vulnerability in n/a, published on 26 May 2021. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

vFairs 3.3 is affected by Remote Code Execution. Any user logged in to a vFairs virtual conference or event can abuse the functionality to upload a profile picture in order to place a malicious PHP file on the server and gain code execution.

Weakness: CWE-434

Which versions are affected by CVE-2020-26678?

It affects 1 product.

Products include Vfairs Vfairs.

How do I fix CVE-2020-26678?

No fix has been published for CVE-2020-26678 yet. Limit exposure of the affected software until one is available.

Is CVE-2020-26678 being exploited?

There is no known exploitation of CVE-2020-26678 in the wild and no public exploit code.

Sources

Also known as GHSA-979x-3p5w-qvgc.