CyberRota Analysis
AI-GeneratedInstantCMS versions prior to 2.18.2 are vulnerable to a Remote Code Execution (RCE) flaw that allows authenticated attackers to execute arbitrary PHP code by uploading a malicious component through the installer. This vulnerability can be exploited by manipulating the server's .htaccess file to execute uploaded files, posing a significant risk to the integrity of the affected systems. Organizations using InstantCMS should prioritize upgrading to version 2.18.2 or later to mitigate this risk.
Public Exploit Signal
A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.
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Original NVD Description
InstantCMS is a free and open source content management system. Versions prior to 2.18.2 have a Remote Code Execution (RCE) issue that allows remote authenticated attackers to execute any PHP code via the component installer. It is possible to upload a malicious component into the server, however, it won't be installed, but upload files will be executed. Normally all php files in upload folder are not executed, however, by uploading custom .htaccess it becomes possible. Version 2.18.2 contains a fix.