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WikkaWiki 1.3.4 Cross Site Scripting

WikkaWiki 1.3.4 Cross Site Scripting
Posted Sep 12, 2013
Authored by High-Tech Bridge SA | Site htbridge.com

WikkaWiki version 1.3.4 suffers from a cross site scripting vulnerability.

tags | exploit, xss
advisories | CVE-2013-5586
MD5 | 6f4faafcb497a64d5fef3ac76b3601e5

WikkaWiki 1.3.4 Cross Site Scripting

Change Mirror Download
Advisory ID: HTB23170
Product: WikkaWiki
Vendor: Wikka Development Team
Vulnerable Version(s): 1.3.4 and probably prior
Tested Version: 1.3.4
Vendor Notification: August 21, 2013
Vendor Patch: August 31, 2013
Public Disclosure: September 11, 2013
Vulnerability Type: Cross-Site Scripting [CWE-79]
CVE Reference: CVE-2013-5586
Risk Level: Medium
CVSSv2 Base Score: 4.3 (AV:N/AC:M/Au:N/C:N/I:P/A:N)
Solution Status: Fixed by Vendor
Discovered and Provided: High-Tech Bridge Security Research Lab ( https://www.htbridge.com/advisory/ )

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Advisory Details:

High-Tech Bridge Security Research Lab discovered vulnerability in WikkaWiki, which can be exploited to perform Cross-Site Scripting (XSS) attacks against users of vulnerable application.


1) Cross-Site Scripting (XSS) in WikkaWiki: CVE-2013-5586

The vulnerability exists due to insufficient sanitisation of user-supplied data in "wakka" HTTP GET parameter passed to "/sql/" URL. A remote attacker can trick a logged-in user to open a specially crafted link and execute arbitrary HTML and script code in browser in context of the vulnerable website.

The exploitation example below uses JavaScript "alert()" function to display user's cookies:

http://[host]/sql/?wakka=sql&wakka=%22onmouseover=%22javascript:alert%28document.cookie%29;%22%3Elink%3C/a%3E

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Solution:

Update to Wikka 1.3.4-p1

More Information:
http://docs.wikkawiki.org/WhatsNew
https://wush.net/trac/wikka/ticket/1152

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References:

[1] High-Tech Bridge Advisory HTB23170 - https://www.htbridge.com/advisory/HTB23170 - Cross-Site Scripting (XSS) in WikkaWiki.
[2] WikkaWiki - http://www.wikkawiki.org - WikkaWiki is a flexible, standards-compliant and lightweight wiki engine written in PHP, which uses MySQL to store pages.
[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.
[5] ImmuniWeb® - http://www.htbridge.com/immuniweb/ - is High-Tech Bridge's proprietary web application security assessment solution with SaaS delivery model that combines manual and automated vulnerability testing.

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Disclaimer: The information provided in this Advisory is provided "as is" and without any warranty of any kind. Details of this Advisory may be updated in order to provide as accurate information as possible. The latest version of the Advisory is available on web page [1] in the References.

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