Top 10 2013-A3-Cross-Site Scripting (XSS)

TEMPORARY PLACEHOLDER for 2013 T10

NOTE: THIS IS NOT THE LATEST VERSION. Please visit the OWASP Top 10 project page to find the latest edition.

[[Top 10 {{{year}}}-Broken Authentication and Session Management|← Broken Authentication and Session Management]]

[[Top 10 {{{year}}}-Table of Contents | {{{year}}} Table of Contents]] [[Top_10_{{{year}}}-Top 10|{{{year}}} Top 10 List]]

[[Top 10 {{{year}}}-Insecure Direct Object References|Insecure Direct Object References →]]

Threat Agents	Attack Vectors	Security Weakness		Technical Impacts	Business Impacts
Application Specific	Exploitability EASY	Prevalence COMMON	Detectability AVERAGE	Impact SEVERE	Application / Business Specific
blank.	blank	blank		blank	blank

Am I Vulnerable To 'Cross-Site Scripting (XSS)'? blank	How Do I Prevent 'Cross-Site Scripting (XSS)'? blank blankBullet1 blankBullet2
Example Attack Scenarios blank blank code blank http://example.com/app/accountView?id=' or '1'='1 blank	References OWASP OWASP SQL Injection Prevention Cheat Sheet ESAPI Encoder API External CWE Entry 77 on Command Injection CWE Entry 89 on SQL Injection

[[Top 10 {{{year}}}-Broken Authentication and Session Management|← Broken Authentication and Session Management]]

[[Top 10 {{{year}}}-Table of Contents | {{{year}}} Table of Contents]] [[Top_10_{{{year}}}-Top 10|{{{year}}} Top 10 List]]

[[Top 10 {{{year}}}-Insecure Direct Object References|Insecure Direct Object References →]]

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