ID:5873 - Exploit for PHP Code Injection in vBulletin - CVE-2019-17132

Link to public exploit:

Vulnerability description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to improper input validation in the " ajax/api/user/updateAvatar" endpoint when processing data passed via the "data[filedata" HTTP POST parameter. A remote authenticated attacker can send a specially crafted request to the Avatar update script and execute arbitrary PHP code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Remediation