
Proof-of-concept for CVE-2021-21311, a server-side request forgery in Adminer before 4.7.9, demonstrating SSRF exploitation in PHP database management tool.
Adminer is an open-source database management in a single PHP file. In adminer from version 4.0.0 and before 4.7.9 there is a server-side request forgery vulnerability. Users of Adminer versions bundling all drivers (e.g. adminer.php) are affected. This is fixed in version 4.7.9.