VBScript Content Injection Affecting marked package, versions <0.3.3



    Attack Complexity Low

    Threat Intelligence

    EPSS 0.37% (72nd percentile)
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4.3 medium

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  • Snyk ID npm:marked:20140131-2
  • published 30 Jan 2014
  • disclosed 30 Jan 2014
  • credit Xiao Long

How to fix?

Upgrade marked to version 0.3.3 or higher.


marked is a low-level compiler for parsing markdown without caching or blocking for long periods of time.

Affected versions of this package are vulnerable to VBScript Content Injection. [xss link](vbscript:alert(1&#41;)

will get a link

<a href="vbscript:alert(1)">xss link</a>

This script does not work in IE 11 edge mode, but works in IE 10 compatibility view.