User:Tuxilina/Remove Exif tags

Overview
Photos taken with a digital camera are likely to be JPEG images with embedded Exif data, with automatically recorded date and time the photo was taken, exposure settings, focal length, and so on.

Problems
Some common problems with this data are bad MIME types, whitelisting file types or HTML code in your Exif. One step for developing secure websites is to prevent users to upload files with HTML code in the Exif tag.

Removing HTML code from Exif tags
To delete the bad tags, it can be used the ExifTool library: