2/14/2023 0 Comments Pug template injection![]() The syntax varies depending on the language. For example, in some template languages, an attacker could inject the expression "" and determine if the output returns "49" instead. If an attacker can influence input into a template before it is processed, then the attacker can invoke arbitrary expressions, i.e. ![]() Template engines often have their own custom command or expression language. Some CMS (Content Management Systems) also use templates. Such engines include Twig, Jinja2, Pug, Java Server Pages, FreeMarker, Velocity, ColdFusion, Smarty, and many others - including PHP itself. Many web applications use template engines that allow developers to insert externally-influenced values into free text or messages in order to generate a full web page, document, message, etc.
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