What are the risks associated with allowing user-uploaded HTML content?

Dec 5, 2024 ... When an attacker exploits a trusted site's vulnerability and adds malicious code or script to that site, it is known as cross-site scripting, or ... An attacker injects a script in a search query like , and the server returns this on the HTML without any escaping. This will mean ... Jan 16, 2025 ... Persistent (Stored) XSS Attacks. Persistent (or stored) XSS vulnerability is the more damaging variant of cross-site scripting. It occurs when ... Cross-Site Scripting (XSS) attacks consist of the injection of malicious scripts into websites that are otherwise considered benign and trustworthy. Nov 19, 2024 ... In the Enterprise Edition of the on-premises version of SonarQube, you can add custom sources, which could be used to mark responses from the ... Nov 10, 2020 ... This writeup is going to be a walkthrough of how I approached the challenge, although I wasn't able to solve the challenge completely but I want to share my ... Apr 15, 2025 ... Reflected XSS occurs when a web application processes unvalidated user input and immediately reflects it in an HTTP response, often as part of ... Apr 22, 2024 ... Reflected XSS is the most common form of cross-site scripting. Reflected XSS attacks often exploit vulnerabilities in search queries, form ... Sep 13, 2024 ... This page explains how to use a CSP based on nonces or hashes to mitigate XSS, instead of the commonly used host-allowlist-based CSPs that often leave the page ... Mar 8, 2022 ... Cross-site scripting (XSS) is a cyberattack in which a hacker enters malicious code into a web form or web application url.