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Secunia Security Advisory 16632

Secunia Security Advisory 16632
Posted Aug 31, 2005
Authored by Secunia | Site secunia.com

Secunia Security Advisory - slacker4ever_1 has discovered a vulnerability in PHP-Fusion, which can be exploited by malicious people to conduct script insertion attacks.

tags | advisory, php
MD5 | a78bc79bc9f8b6e7464e509f9c1a4117

Secunia Security Advisory 16632

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TITLE:
PHP-Fusion Nested BBcode "url" Script Insertion Vulnerability

SECUNIA ADVISORY ID:
SA16632

VERIFY ADVISORY:
http://secunia.com/advisories/16632/

CRITICAL:
Moderately critical

IMPACT:
Cross Site Scripting

WHERE:
>From remote

SOFTWARE:
PHP-Fusion 6.x
http://secunia.com/product/5291/

DESCRIPTION:
slacker4ever_1 has discovered a vulnerability in PHP-Fusion, which
can be exploited by malicious people to conduct script insertion
attacks.

Input passed in nested "url" BBcode tags isn't properly sanitised
before being used in a post. This can be exploited to inject
arbitrary script code, which is executed in a user's browser session
in context of an affected site when the malicious post is viewed.

Example:
text[url=[url= onmouseover=[code];//]][/url][/url]

The vulnerability has been confirmed in version 6.00.107. Other
versions may also be affected.

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

PROVIDED AND/OR DISCOVERED BY:
slacker4ever_1

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About:
This Advisory was delivered by Secunia as a free service to help
everybody keeping their systems up to date against the latest
vulnerabilities.

Subscribe:
http://secunia.com/secunia_security_advisories/

Definitions: (Criticality, Where etc.)
http://secunia.com/about_secunia_advisories/


Please Note:
Secunia recommends that you verify all advisories you receive by
clicking the link.
Secunia NEVER sends attached files with advisories.
Secunia does not advise people to install third party patches, only
use those supplied by the vendor.

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