CVE-2020-28693 File upload in n/a

High 8.8 Published 16 Nov 2020 Updated 4 Aug 2024

Authenticated attackers can upload malicious PHP code via theme zip files in HorizontCMS, leading to remote code execution.

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-2020-28693?

CVE-2020-28693 is a high-severity vulnerability in n/a, published on 16 Nov 2020. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

An unrestricted file upload issue in HorizontCMS 1.0.0-beta allows an authenticated remote attacker to upload PHP code through a zip file by uploading a theme, and executing the PHP file via an HTTP GET request to /themes/<php_file_name>

Weakness: CWE-434

Which versions are affected by CVE-2020-28693?

It affects 1 product.

Products include Horizontcms Project Horizontcms.

How do I fix CVE-2020-28693?

No fix has been published for CVE-2020-28693 yet. Limit exposure of the affected software until one is available.

Is CVE-2020-28693 being exploited?

There is no known exploitation of CVE-2020-28693 in the wild and no public exploit code.

Sources

Also known as GHSA-p5vc-h7j2-25qc.