PHP Passthru Your Gateway to Efficient Image Handling

By setting the Content-type to image/gif and then calling a pbmplus program to output a gif, you can create PHP scripts that output images directly. The passthru() function is similar to the exec() function in that it executes a command. This function should be used in place of exec() or system() ... image for example. This is my code : exec("/usr/local/bin/convert /var/www/vhosts/urbanone.me/httpdocs/urbanone/public\site-images\U-one-16.jpg Yes, your server could run PHP code within an image file if it is not configured correctly. http://www.phpclasses.org/blog/post/67-PHP-security-exploit-with- ... Try adding Header("Content-type: image/gif"); to the start of your PHP file b) the webserver hasn't got enough permissions to see the graphic? Try copying it to ... ... php script it doesnt load the image. (But when i execute from the terminal it works perfect!) at these part: Mat image = imread("/home/diego ... ... image height // now we check for over-sized images and pare them down ... You call Image Magick thru the exec() function of php, this allows you to call outside ... The emphasis should be "how to keep the webshell on the image", and the information about renaming a PNG to PHP is an unfortunate distraction. Images, CSS, and fonts contain files that won't give us much information. JS directory might be interesting in case there's some vulnerable ... I imagine its difficult, as if I went to the page and it was last updated 2 days ago, even if it made new images ... php.net/manual/en/function.shell-exec.php