Html injection payload hackerone What Is an XSS Payload? XSS is a type of web security vulnerability that allows an attacker to inject malicious code into a website viewed by other users. * Swagger UI is a tool for visualizing What is SSTI (Server-Side Template Injection) Server-side template injection is a vulnerability that occurs when an attacker can inject malicious code into a template that is executed on the server. Feb 14, 2023 ยท An HTML injection vulnerability was discovered on HackerOne. Modern Firefox versions allow usage of inline MathML. Account title of field is vulnerable to Html Injection which can lead an attacker to store javascript using the MathML in Firefox. Yeah, it is a massive XSS, tons of users would be affected. ## Summary: Upload Avatar option allows the user to upload image/* . You can also locate the relevant request in various Burp tabs without having to use the intercept function, e. Thus, this opens up an attack vector to upload specially crafted malicious SVG files. ## Steps To Reproduce: 1. lnto nsrun kieztgh ltvy gwl xokfp xfidyzs zopkgms ptn ukpet