Movable Type before 5
Movable Type before 5.2.6 does not properly use the Storable::thaw function, which allows remote attackers to execute arbitrary code via the comment_state parameter.
Exploitability
AV:N
AC:L
Au:N
Impact
C:P
I:P
A:P
7.5/AV:N/AC:L/Au:N/C:P/I:P/A:P