Security holes in two PHP services.

The first one is poll "avotravis " versions 2.1 and less. 1 Distortion of the limitations of multiple votes : Set the cookie with the name "alreadyvoted" and value "1" to the url /avotravis.php3?vote=1 for "yes" and /avotravis.php3?vote=1 for "no". 2 Access to the part administration : Set the...