Arbitrary Code Execution Affecting angularjs.core Open this link in a new tab package, versions [,1.4.0)

  • Exploit Maturity

    Proof of concept

  • Attack Complexity


  • Confidentiality


  • Integrity


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  • snyk-id


  • published

    23 Jan 2017

  • disclosed

    9 Mar 2015

  • credit

    Rodric Haddad

Introduced: 9 Mar 2015

CWE-78 Open this link in a new tab

How to fix?

Upgrade AngularJS.Core to version 1.4.0 or higher.


AngularJS.Core is an AngularJS.* package for other Angular modules within .NET.

Affected versions of this package are vulnerable to Arbitrary Code Execution via unsafe svg animation tags.


Exploit Example:

  <a xmlns:xlink="" xlink:href="?">
    <circle r="400"></circle>
    <animate attributeName="xlink:href" begin="0" from="javascript:alert(1)" to="&" />

Here the anchor's href is animated, starting from a value that's a javascript URI. This allows execution of arbitrary javascript in the process. Preventing only the animation of links is tricky, as SVG is weird and namespaces aren't predictable. The fix is to have the sanitizer filter out svg animation tags instead.