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TITLE:
SignMe "hash" Cross-Site Scripting Vulnerability

SECUNIA ADVISORY ID:
SA32506

VERIFY ADVISORY:
http://secunia.com/advisories/32506/

CRITICAL:
Less critical

IMPACT:
Cross Site Scripting

WHERE:
>From remote

SOFTWARE:
SignMe 1.x
http://secunia.com/advisories/product/20338/

DESCRIPTION:
Russ McRee has discovered a vulnerability in SignMe, which can be
exploited by malicious people to conduct cross-site scripting
attacks.

Input passed via the "hash" parameter to signme.inc.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.

The vulnerability is reported in 1.5 and confirmed in 1.55. Other
versions may also be affected.

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

PROVIDED AND/OR DISCOVERED BY:
Russ McRee, HolisticInfoSec

ORIGINAL ADVISORY:
http://holisticinfosec.org/content/view/88/45/

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