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TITLE:
Woltlab Burning Board Lite register.php Cross-Site Scripting

SECUNIA ADVISORY ID:
SA24404

VERIFY ADVISORY:
http://secunia.com/advisories/24404/

CRITICAL:
Less critical

IMPACT:
Cross Site Scripting

WHERE:
>From remote

SOFTWARE:
WoltLab Burning Board Lite 1.x
http://secunia.com/product/4497/

DESCRIPTION:
Samenspender has discovered several vulnerabilities in Woltlab
Burning Board Lite, which can be exploited by malicious people to
conduct cross-site scripting attacks.

Input passed to the "r_username", "r_email", "r_password",
"r_confirmpassword", "r_homepage", "r_icq", "r_aim", "r_yim",
"r_msn", and "r_year" parameters in register.php is not properly
sanitised before being returned to the user. This can be exploited to
execute arbitrary HTML and script code in a user's browser session in
context of an affected site.

Successful exploitation requires that the target user is not logged
in.

The vulnerabilities are related to:
SA24386

The vulnerabilities are confirmed in version 1.0.2pl3e. Other
versions may also be affected.

SOLUTION:
Edit the source code to ensure that input is properly sanitised.

PROVIDED AND/OR DISCOVERED BY:
Samenspender

OTHER REFERENCES:
SA24386:
http://secunia.com/advisories/24386/

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