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TITLE:
Pro Chat Rooms Cross-Site Scripting and Script Insertion

SECUNIA ADVISORY ID:
SA33088

VERIFY ADVISORY:
http://secunia.com/advisories/33088/

CRITICAL:
Moderately critical

IMPACT:
Cross Site Scripting

WHERE:
>From remote

SOFTWARE:
Pro Chat Rooms 3.x
http://secunia.com/advisories/product/19992/

DESCRIPTION:
ZynbER has reported some vulnerabilities in Pro Chat Rooms, which can
be exploited by malicious people to conduct cross-site scripting and
script insertion attacks.

1) Input passed to the "gud" parameter in profiles/index.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 the context of an affected site.

2) Input passed to the "avatar" parameter in sendData.php (when
"chat" is set to "1" and "room" is set to a valid chat room name) 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 the context of an affected site.

These vulnerabilities are reported in version 3.0.2. Other versions
may also be affected.

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

PROVIDED AND/OR DISCOVERED BY:
ZynbER

ORIGINAL ADVISORY:
http://milw0rm.com/exploits/7409

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