Unspecified vulnerability in the WEC Discussion Forum (wec_discussion) extension 1.6.2 and earlier for TYPO3 allows attackers to execute arbitrary code via vectors related to "certain file types."
Improper Control of Generation of Code The product constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment.