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.

: If possible, disable the online plugin installation feature in config.php and manage plugins via manual file transfer or CLI.

: A configuration file required by FastAdmin to recognize the archive as a valid plugin.

: Installation of backdoors that survive framework updates. Remediation & Mitigation

: Implement Web Application Firewall rules to block the upload of archives containing .php files in the plugin management path.

: A PHP web shell (often obfuscated) placed within the application directory.