The Control Panel in Parallels Plesk Panel 10.4.4build20111103.18 does not include the HTTPOnly flag in a Set-Cookie header for a cookie, which makes it easier for remote attackers to obtain potentially sensitive information via script access to this cookie, as demonstrated by cookies used by help.php and certain other files.
Untrusted search path vulnerability in /usr/local/psa/admin/sbin/wrapper in Parallels Plesk Panel 11.0.9 allows local users to gain privileges via a crafted PATH environment variable.
The Server Administration Panel in Parallels Plesk Panel 10.2.0build1011110331.18 includes an RFC 1918 IP address within a web page, which allows remote attackers to obtain potentially sensitive information by reading this page, as demonstrated by admin/home/admin and certain other files.
SQL injection vulnerability in admin/plib/api-rpc/Agent.php in Parallels Plesk Panel 7.x and 8.x before 8.6 MU#2, 9.x before 9.5 MU#11, 10.0.x before MU#13, 10.1.x before MU#22, 10.2.x before MU#16, and 10.3.x before MU#5 allows remote attackers to execute arbitrary SQL commands via unspecified vectors, as exploited in the wild in March 2012.