Cross-site scripting

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Cross-site scripting (XSS) is a type of computer security vulnerability typically found in web applications.

Description

XSS enables attackers to inject client-side script into web pages viewed by other users.

Same-origin policy

A cross-site scripting vulnerability may be used by attackers to bypass access controls such as the same-origin policy.

Effects

The effect of XSS may range from a petty nuisance to a significant security risk, depending on the sensitivity of the data handled by the vulnerable site and the nature of any security mitigation implemented by the site's owner.

See also

External Links