Movable Type Pro, Open Source, and Advanced before 5.2.12 and Pro and Advanced 6.0.x before 6.0.7 does not properly use the Perl Storable::thaw function, which allows remote attackers to include and execute arbitrary local Perl files and possibly execute arbitrary code via unspecified vectors.
Exploitability
AV:NAC:LAu:NImpact
C:PI:PA:P7.5/AV:N/AC:L/Au:N/C:P/I:P/A:P