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TITLE:
RSMScript Security Bypass and Script Insertion Vulnerabilities

SECUNIA ADVISORY ID:
SA33150

VERIFY ADVISORY:
http://secunia.com/advisories/33150/

CRITICAL:
Moderately critical

IMPACT:
Security Bypass, Cross Site Scripting

WHERE:
>From remote

SOFTWARE:
RSMScript 1.x
http://secunia.com/advisories/product/20795/

DESCRIPTION:
Cyber.Zer0 has discovered some vulnerabilities in RSMScript, which
can be exploited by malicious people to bypass certain security
restrictions and by malicious users to perform script insertion
attacks.

1) The application allows access to the admin interface by checking
if a certain cookie exists. This can be exploited to gain
administrative access to the application by creating the cookie
"verified" and assigning it any value.

2) Input passed to the "quote" parameter in submit.php and
edit-submit.php is not properly sanitised before being used. This can
be exploited to insert arbitrary HTML and script code, which will be
executed in a user's browser session in the context of an affected
site when the malicious quote is viewed.

These vulnerabilities are confirmed in version 1.21. Other versions
may also be affected.

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

PROVIDED AND/OR DISCOVERED BY:
Cyber.Zer0

ORIGINAL ADVISORY:
http://packetstorm.linuxsecurity.com/0812-exploits/rsmscript-xss.txt

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