CVE-2018-16731 File upload in n/a

Critical 9.8 Published 8 Sep 2018 Updated 5 Aug 2024

Attackers can upload malicious PHP files by manipulating file type lists and JSON data, leading to remote code execution on CScms installations.

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-2018-16731?

CVE-2018-16731 is a critical vulnerability in n/a, published on 8 Sep 2018. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

CScms 4.1 allows arbitrary file upload by (for example) adding the php extension to the default filetype list (gif, jpg, png), and then providing a .php pathname within fileurl JSON data.

Weakness: CWE-434

Which versions are affected by CVE-2018-16731?

It affects 1 product.

Products include Chshcms Cscms.

How do I fix CVE-2018-16731?

No fix has been published for CVE-2018-16731 yet. Limit exposure of the affected software until one is available.

Is CVE-2018-16731 being exploited?

There is no known exploitation of CVE-2018-16731 in the wild and no public exploit code.

Sources

Also known as GHSA-m2qv-8rfq-vrg4.