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MediaWiki AJAX "rs" Cross-Site Scripting
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Secunia Advisory:
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SA23647
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Release Date:
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2007-01-09
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Last Update:
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2007-02-21
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Popularity:
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8,525 views
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Critical:
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Less critical
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Impact:
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Cross Site Scripting
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Where:
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From remote
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Solution Status:
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Vendor Patch
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| Software: | MediaWiki 1.x
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Instant alerts on relevant vulnerabilities 
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| | CVE reference: | CVE-2007-0177
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Description:
A vulnerability has been discovered in MediaWiki, which can be exploited by malicious people to conduct cross-site scripting attacks.
Input passed to the "rs" parameter in index.php when "action" is set to "ajax" 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.
Successful exploitation requires that $wgUseAjax is set to true, which is not its default setting.
The vulnerability is confirmed in the 1.6.x branch before 1.6.9, the 1.7.x branch before 1.7.2, and the 1.8.x branch before 1.8.3.
Solution:
Update to version 1.6.9, 1.7.2 or 1.8.3.
Provided and/or discovered by:
Reported by the vendor.
Changelog:
2007-01-18: Added CVE reference.
2007-02-21: Updated "Description" with more information.
Original Advisory:
http://sourceforge.net/forum/forum.php?forum_id=652721
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About this Secunia Advisory
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Please note: The information that this Secunia Advisory is based on comes from a third party unless stated otherwise.
Secunia collects, validates, and verifies all vulnerability reports issued by security research groups, vendors, and others.
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