POST /index.php?%ADd+allow_url_include%3d1+%ADd+auto_prepend_file%3dphp://input HTTP/1.1 Host: target-xampp-server.local Content-Type: application/x-www-form-urlencoded Content-Length: 32 Use code with caution. Step-by-Step Execution Flow
When Windows translates non-ASCII characters to standard ASCII characters, it utilizes a behavior called . In specific system language locales—particularly Chinese (Simplified and Traditional) and Japanese —the Windows code page conversion implicitly treats a soft hyphen character ( 0xAD or %ad ) as a standard ASCII hyphen ( 0x2D or - ).
Explicitly block external access to ports 80, 443, 3306 unless required. For development:
Newer versions of XAMPP have corrected the service pathing to include quotes. xampp for windows 746 exploit
via SQL commands or file upload features.
The attacker opens C:\xampp\xampp-control.ini and locates the [BinaryConfig] section. They change the Editor configuration value to point directly to their newly compiled payload location (XAMPP Arbitrary Code Execution Vulnerability): [BinaryConfig] Editor=C:\Users\Public\exploit.bat Use code with caution. 3. Execution via Social Engineering or System Interaction
If you have to make permission changes. Whether you can upgrade to a newer version of XAMPP. POST /index
This is a classic example of an , made easier by the lenient default settings. How to Secure Your XAMPP Installation
. This is your primary defense. Always upgrade to the latest stable version of XAMPP. The CVE-2020-11107 vulnerability is patched in versions 7.2.29, 7.3.16, and 7.4.4 or later. For modern vulnerabilities like CVE-2024-4577, upgrade PHP to version 8.3.8, 8.2.20, 8.1.29, or newer, depending on your branch.
This vulnerability impacts all versions of PHP installed on Windows operating systems where PHP operates in CGI mode or where the PHP executables are exposed directly to the web server directory. XAMPP installations are vulnerable . CVE-2024-4577 : PHP-CGI OS Command Injection Vulnerability Explicitly block external access to ports 80, 443,
Securing Local Environments: The Technical Breakdown of the XAMPP for Windows 7.4.6 Exploit
The Apache server passes the query parameters to the php-cgi.exe binary.
By default, XAMPP allows any unprivileged Windows user account to modify the application configuration settings inside xampp-control.ini without requesting administrative validation (UAC) (XAMPP Arbitrary Code Execution Vulnerability). This oversight impacts XAMPP versions up to 7.2.29, 7.3.x prior to 7.3.16, and —squarely capturing version 7.4.6 under specific deployment configurations or unpatched local upgrades (CVE-2020-11107 Detail). The Core Weakness: Editor Value Hijacking