Commonly tracked as part of a series of FastAdmin RCE flaws; often documented in security databases like Exploit-DB (ID: 53849).
: Implement Web Application Firewall rules to block the upload of archives containing .php files in the plugin management path.
The 53849.rar archive typically contains a directory structure designed to mimic a legitimate FastAdmin plugin, but with a malicious payload: 53849.rar
: If possible, disable the online plugin installation feature in config.php and manage plugins via manual file transfer or CLI.
Arbitrary File Upload leading to Remote Code Execution (RCE). Commonly tracked as part of a series of
: Ensure the /addons/ directory does not have execution permissions for PHP files in production if plugin installation is not frequently required.
The system fails to properly validate the contents of .zip or .rar plugin packages during the administrative "Install Plugin" process, allowing an attacker to upload a web shell. Technical Analysis Arbitrary File Upload leading to Remote Code Execution (RCE)
The vulnerability is exploited through the Admin Dashboard . An attacker with administrative credentials (or through a session hijacking/XSS attack) navigates to the "Plugin Management" section.