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Geeklog 1.3.5 HTML Attribute Cross Site Scripting Vulnerability

🗓️ 01 Jul 2014 00:00:00Reported by RootType 
seebug
 seebug
🔗 www.seebug.org👁 13 Views

Geeklog 1.3.5 HTML Attribute Cross Site Scripting Vulnerability. User input not properly sanitized for comments and stories

Code

                                                source: http://www.securityfocus.com/bid/5270/info

A cross site scripting vulnerability has been reported for Geeklog. Reportedly, Geeklog does not properly sanitize user supplied input before being included when posting comments or writing stories.

Geeklog makes efforts to sanitize some malicious user supplied input by stripping out HTML elements that are used for scripting. However, Geeklog does not properly remove HTML attributes that are used for the same purpose. 

It is possible for an attacker to include malicious HTML code using the HTML attributes. As an example, if an attacker were to supply malicious HTML code as part of an onMouseOver JavaScript event, the malicious code would not be properly sanitized.

<b onMouseOver="self.location.href='http://localhost/geeklog/'">
                              

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