Facebook BB #71 - (API) UXSS via MS Internet Explorer 11

Document Title:
===============
Facebook BB #71 - (API) UXSS via MS Internet Explorer 11


References:
===========
http://www.vulnerability-lab.com/get_content.php?id=1915

Video: https://www.youtube.com/watch?v=8Q_Fymo42JI



Release Date:
=============
2018-08-09


Vulnerability Laboratory ID (VL-ID):
====================================
1915


Common Vulnerability Scoring System:
====================================
4.5


Vulnerability Class:
====================
Cross Site Scripting - Non Persistent


Current Estimated Price:
========================
3.000€ - 4.000€


Vulnerability Disclosure Timeline:
==================================
2018-08-09: Public Disclosure (Vulnerability Laboratory)


Discovery Status:
=================
Published


Exploitation Technique:
=======================
Remote


Severity Level:
===============
Medium


Authentication Type:
====================
Restricted authentication (user/moderator) - User privileges


User Interaction:
=================
Low User Interaction


Disclosure Type:
================
Bug Bounty Program


Technical Details & Description:
================================
The video shows a uxss cross site scripting vulnerability triggered in the microsoft windows internet explorer 11.
The vulnerability is present in the facebook framework application and is basically exploited in the wild via the microsoft 
internet explorer 11 browser. The issue has been reported to the facebook whitehat security program in 2016. The issue 
has been fixed within 2017 Q1 - Q2.


Credits & Authors:
==================
Aissa


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=========================
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