Sunday, March 13, 2011
bbPress 1.0.2 <= Cross Site Scripting Vulnerability
bbPress 1.0.2 and lower versions were vulnerable to Cross Site Scripting.
2. APPLICATION DESCRIPTION
bbPress is plain and simple forum software, plain and simple with a twist from the creators of WordPress.
It is focused on web standards, ease of use, ease of integration, and speed.
3. VULNERABILITY DESCRIPTION
The "re" parameter was not properly sanitized upon submission to the /bb-login.php url, which allows attacker to conduct Cross Site Scripting attack.
This may allow an attacker to create a specially crafted URL that would execute arbitrary script code in a victim's browser.
If a user has already logged in to the application, an XSS attack will execute promptly.
If not, it will execute after the user's successful logging in.
4. VERSIONS AFFECTED
bbPress 1.0.2 and lower
Upgrade to 1.0.3 or higher
bbPress Development Team
This vulnerability was discovered by Aung Khant, http://yehg.net, YGN Ethical Hacker Group, Myanmar.
9. DISCLOSURE TIME-LINE
2010-12-23: notified vendor
2011-02-24: vendor released fixed version
2011-03-13: vulnerability disclosed
Original Advisory URL: http://yehg.net/lab/pr0js/advisories/[bbpress-1.0.2]_cross_site_scripting
About bbPress: http://bbpress.org/about/