CVE-2009-5026

The executable comment feature in MySQL 5.0.x before 5.0.93 and 5.1.x before 5.1.50, when running in certain slave configurations in which the slave is running a newer version than the master, allows remote attackers to execute arbitrary SQL commands via custom comments...

Image properties can be used to execute scripts

Image properties can contain custom comments. When displaying the image properties, Opera can be tricked into treating the comments as script. This can cause the script to be run in the wrong security context...

CVE-2008-1081: Improper Control of Generation of Code

Opera before 9.26 allows user-assisted remote attackers to execute arbitrary script via images that contain custom comments, which are treated as script when the user displays the image properties...