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I created a form that takes an image and some text. When the user selects an image and enters some text and clicks the submit button, the data is submitted to the server. PHP now grabs the image and ...
For example, it is possible to hide PHP code inside an image file and still have it appear to be an image. When the image is opened, it also executes the code hidden in the file.
To protect themselves, website owners can first and foremost scan for PHP tags in image files; if present, the images should be examined. Disabling image uploads if they’re not strictly ...