The cTrigger::DoIt function in src/ctrigger.cpp in the trigger mechanism in the daemon in Verlihub 0.9.8d-RC2 and earlier, when user triggers are enabled, allows remote attackers to execute arbitrary commands via shell metacharacters in an argument.
Improper Input Validation The product receives input or data, but it does
not validate or incorrectly validates that the input has the
properties that are required to process the data safely and
correctly.