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vBulletin 4.2.0 XSS Vulnerability

10cth1-2 June 21, 2012 Nam Le 0

1.vBulletin Description:

Content publishing, search, security, and more— vBulletin has it all.
Whether it’s available features, support, or ease-of-use, vBulletin offers the most for your money.
Learn more about what makes vBulletin the choice for people who are serious about creating
thriving online communities.

2. Vulnerability Description:

To steal cookie from administrator or any member in a forum or drive them to malicious sites, attacker will firstly create an account, then come to
calendar section, and create an event for himself.

In title, he will inject XSS code there. For sample:

"><img src=x onerror=alert(1)>

In content section, he will write everything he likes. Now, he will send his profile to Administrator or any member
and wait for cookie or victims' infection.

http://127.0.0.1/vbb/member.php?id-xyz

3. Patch:

June 13, 2012: Contacted the vendor.
June 14, 2012: Vendor replied me.
June 18, 2012: the vendor released the patch for this vulnerabitily. Please download it from member Area right now.

https://members.vbulletin.com/patches.php

sangteamtham – HCE


Last modified on December 4th, 2020 at 11:26 pm

Nam Le
lequocnam



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