7.5
CWE
264
Advisory Published
CVE Published
Updated

CVE-2016-9073

First published: Tue Nov 15 2016(Updated: )

WebExtensions can bypass security checks to load privileged URLs and potentially escape the WebExtension sandbox.

Credit: security@mozilla.org

Affected SoftwareAffected VersionHow to fix
Mozilla Firefox<50
50
<50
50
Mozilla Firefox<50.0

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Parent vulnerabilities

(Appears in the following advisories)

Frequently Asked Questions

  • What is the vulnerability ID of this security issue?

    The vulnerability ID of this security issue is CVE-2016-9073.

  • Which software is affected by this vulnerability?

    This vulnerability affects Firefox versions below 50.

  • How severe is CVE-2016-9073?

    CVE-2016-9073 has a severity score of 7.5 (high).

  • What can an attacker potentially do with this vulnerability?

    An attacker can potentially load privileged URLs and escape the WebExtension sandbox.

  • Are there any references for additional information on this vulnerability?

    Yes, you can find more information about CVE-2016-9073 at the following references: [Bugzilla](https://bugzilla.mozilla.org/show_bug.cgi?id=1289273), [Mozilla Security Advisories](https://www.mozilla.org/en-US/security/advisories/mfsa2016-89/), [SecurityFocus](http://www.securityfocus.com/bid/94337).

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