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2014 Q1: 87%2013 Q2: 92%
2013 Q4: 67%2013 Q1: 100%
2013 Q3: 77%2012 Q4: 68%

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2014 Q1: 5 days 2013 Q2: 30 days
2013 Q4: 8 days 2013 Q1: 13 days
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Cross-Site Scripting (XSS) Vulnerabilities in Flogr

Advisory ID:HTB23110
Product:Flogr
Vendor:Flogr
Vulnerable Versions:2.5.6 and probably prior
Tested Version:2.5.6
Advisory Publication:August 15, 2012 [without technical details]
Vendor Notification:August 15, 2012
Public Disclosure:September 5, 2012
Vulnerability Type:Cross-Site Scripting [CWE-79]
CVE Reference:CVE-2012-4336
Risk Level:Medium
CVSSv2 Base Score:4.3 (AV:N/AC:M/Au:N/C:N/I:P/A:N)
Discovered and Provided:High-Tech Bridge Security Research Lab
 

Advisory Details:

High-Tech Bridge Security Research Lab discovered multiple vulnerabilities in Flogr, which can be exploited to perform Cross-Site Scripting (XSS) attacks.


1) Cross-Site Scripting (XSS) Vulnerabilities in Flogr: CVE-2012-4336

Input appended to the URL after /index.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 website.

The following PoC demonstrates the vulnerability:

http://[host]/index.php/%22%3E%3Cscript%3Ealert%28document.cookie%29;%3C/script%3E/

Successful exploitation of this vulnerability requires that Apache's directive "AcceptPathInfo" is set to "on" or "default" (default value is "default")

Second PoC* demonstrates that any HTTP GET parameter is also vulnerable to XSS:

http://[host]/index.php?[any]=%22%3E%3Cscript%3Ealert%28document.cookie%29;%3C/script%3E

* Independently reported XSS in the "tag" GET parameter by LABORATORY RESEARCH TEAM (http://www.vulnerability-lab.com/get_content.php?id=656).


Solution:
Currently we are not aware of any vendor-supplied patches or other solutions. The vendor was contacted in accordance to our Vendor Notification Policy but we didn't get any answer or feedback.


ImmuniWeb® by High-Tech Bridge


References:
[1] High-Tech Bridge Advisory HTB23110 - https://www.htbridge.com/advisory/HTB23110 - Cross-Site Scripting (XSS) Vulnerabilities in Flogr.
[2] Flogr - http://code.google.com/p/flogr/ - Flogr is a flexible script that displays your flickr photos in a customizable photo gallery you host on your website.
[3] Common Vulnerabilities and Exposures (CVE) - http://cve.mitre.org/ - international in scope and free for public use, CVE® is a dictionary of publicly known information security vulnerabilities and exposures.
[4] Common Weakness Enumeration (CWE) - http://cwe.mitre.org - targeted to developers and security practitioners, CWE is a formal list of software weakness types.

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