CVE-2016-6565 File upload in NextGen Gallery plugin

High 7.5 Published 13 Jul 2018 Updated 6 Aug 2024

Authenticated attackers can upload malicious files to execute code or read arbitrary files on servers with specific configurations.

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-2016-6565?

CVE-2016-6565 is a high-severity vulnerability in Imagely NextGen Gallery plugin, published on 13 Jul 2018. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

The Imagely NextGen Gallery plugin for Wordpress prior to version 2.1.57 does not properly validate user input in the cssfile parameter of a HTTP POST request, which may allow an authenticated user to read arbitrary files from the server, or execute arbitrary code on the server in some circumstances (dependent on server configuration).

Weakness: CWE-20, CWE-98

Which versions are affected by CVE-2016-6565?

It affects 1 product.

Products include Imagely Nextgen Gallery.

How do I fix CVE-2016-6565?

No fix has been published for CVE-2016-6565 yet. Limit exposure of the affected software until one is available.

Is CVE-2016-6565 being exploited?

There is no known exploitation of CVE-2016-6565 in the wild and no public exploit code.

Sources

Also known as GHSA-vhm5-wrvh-3x4h.