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Secunia Security Advisory 33670

Secunia Security Advisory 33670
Posted Jan 28, 2009
Authored by Secunia | Site secunia.com

Secunia Security Advisory - Xianur0 has discovered a vulnerability in Simple Machines Forum, which can be exploited by malicious people to conduct cross-site scripting attacks.

tags | advisory, xss
SHA-256 | cc76e61b6b65ec7ce1345da205f1e4e4923af34cac43386dcaa1be4a30b31cd6

Secunia Security Advisory 33670

Change Mirror Download
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availability, or if an updated patch is released by the vendor, is
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Click here to learn more:
http://secunia.com/advisories/business_solutions/

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TITLE:
Simple Machines Forum "packages.xml" Cross-Site Scripting

SECUNIA ADVISORY ID:
SA33670

VERIFY ADVISORY:
http://secunia.com/advisories/33670/

CRITICAL:
Less critical

IMPACT:
Cross Site Scripting

WHERE:
>From remote

SOFTWARE:
Simple Machines Forum 1.x
http://secunia.com/advisories/product/5285/

DESCRIPTION:
Xianur0 has discovered a vulnerability in Simple Machines Forum,
which can be exploited by malicious people to conduct cross-site
scripting attacks.

Input read from the "text" and "description" elements in a
"packages.xml" file (e.g. when "action" is set to "packageget", "sa"
is set to "browse", and "absolute" is set to the web address serving
the malicious "packages.xml" file) is not properly sanitised before
being returned to the user. This can be exploited to execute
arbitrary HTML and script code in an administrative user's browser
session in the context of an affected site.

This vulnerability is confirmed in version 1.1.7. Other versions may
also be affected.

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

PROVIDED AND/OR DISCOVERED BY:
Xianur0

----------------------------------------------------------------------

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/advisories/secunia_security_advisories/

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