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MyBB Avatar / Attachment Script Insertion Vulnerability
Secunia Advisory: SA21645
Release Date: 2006-08-28
Last Update: 2006-09-05
Popularity: 10,454 views

Critical:
Less critical
Impact: Cross Site Scripting
Where: From remote
Solution Status: Vendor Patch

Software:MyBB (formerly MyBulletinBoard) 1.x

Secunia CVSS-2 Score: Available in Secunia business solutions

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Advisory Content (Page 1 of 3)[ 1 ] [ 2 ] [ 3 ]

Description:
Redworm has discovered a vulnerability in MyBB, which can be exploited by malicious people to conduct script insertion attacks.

Input passed in uploaded attachments and avatars isn't properly verified before being used. This can be exploited to execute arbitrary HTML and script code in a user's browser session in context of an affected site when a specially crafted image is viewed directly in the Microsoft Internet Explorer browser.

The vulnerability has been confirmed in version 1.1.7. Other versions may also be affected.

Change Page:
[ 1 ] [ 2 ] [ 3 ]



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