Why are SQL, HTML, and JS prone to injection while C, C++, Java, and Python aren't?

The post asks for a definitive technical explanation of why SQL, HTML, and JavaScript are prone to injection attacks, while languages like C, C++, Java, and Python are not. The user mentions receiving conflicting answers from AI and seeks clarity on the structural flaws that make these technologies susceptible. No specific details or explanations are provided in the post itself.