HTML FILTER FOR PREVENTION OF CROSS SITE SCRIPTING ATTACKS
First Claim
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1. A method for modifying hypertext markup language to prevent cross site scripting attacks, comprising:
- providing a filter for said hypertext markup language, wherein said filter acts on hypertext markup language tags and converts said tags into hypertext markup language object tags and associated parameter tags to prevent cross site scripting attacks.
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Abstract
An HTML filter is described that converts HTML tags into HTML object and associated param tags. In an exemplary embodiment, the present HTML filter also validates existing object tags so that they may render in at least one, and optionally all, major browsers. In another exemplary embodiment, the presently described HTML filter also serves as a configurable whitelist for rich media (through controlling particular attributes, e.g., “classid”, in the object tag and affiliated param tags).
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8 Claims
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1. A method for modifying hypertext markup language to prevent cross site scripting attacks, comprising:
providing a filter for said hypertext markup language, wherein said filter acts on hypertext markup language tags and converts said tags into hypertext markup language object tags and associated parameter tags to prevent cross site scripting attacks. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
Specification