In the module "Module Live Chat Pro (All in One Messaging)" (livechatpro) <=8.4.0, a guest can perform PHP Code injection. Due to a predictable token, the method `Lcp::saveTranslations()` suffer of a white writer that can inject PHP code into a PHP file.
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.