Rule Definition
ASCSM-CWE-079, OWASP A3
Remediation
Make sure only relative URIs and correctly MIME-typed data URIs can be used for VIDEO poster attributes
Violation Code Sample
<video poster=javascript:alert(1)//></video>
Reference
https://html5sec.org/#10
Related Technologies
HTML5
Technical Criterion
CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
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