Cross-Site Scripting (XSS) attacks are a type of injection, in which malicious scripts are injected into otherwise benign and trusted websites. XSS attacks occur when an attacker uses a web application …

Oct 24, 2025 · Interactive cross-site scripting (XSS) cheat sheet for 2025, brought to you by PortSwigger. Actively maintained, and regularly updated with new vectors.

XSS attacks enable attackers to inject client-side scripts into web pages viewed by other users. A cross-site scripting vulnerability may be used by attackers to bypass access controls such as the same …

Cross-site scripting (XSS) is a client-side code injection attack where malicious code is attached to a legitimate website. When a victim loads the site, their browser runs the attacker’s code, often leading …

Cross-site scripting (XSS) is a web vulnerability that allows attackers to inject malicious scripts into trusted websites. It targets users’ browsers, enabling session hijacking, credential theft, and …

Cross-site Scripting attacks (XSS) can be used by attackers to undermine application security in many ways. It is most often used to steal session cookies, which allows the attacker to impersonate the victim.

Dec 15, 2025 · A cross-site scripting (XSS) attack is one in which an attacker is able to get a target site to execute malicious code as though it was part of the website.

Nov 25, 2025 · Cross-Site Scripting (XSS) is a vulnerability in a web application that allows a third party to execute a script in the user's browser on behalf of the web application. Cross-site Scripting is one …

Cross-Site Scripting (XSS) is a misnomer. Originally this term was derived from early versions of the attack that were primarily focused on stealing data cross-site. Since then, the term has widened to …

XSS is a security vulnerability that allows an attacker to inject malicious code into a web page viewed by other users, usually in a script. When other users view the compromised page, the injected code can …