*Comsenz SupeSite CMS 7.0 Stored XSS (Cross-site Scripting) Security
Vulnerabilities*


Exploit Title: Comsenz SupeSite CMS 7.0 Stored XSS Security Vulnerabilities
Product: Supesite CMS (Content Management System)
Vendor: ComSenz
Vulnerable Versions: 6.0.1UC   7.0
Tested Version: 7.0
Advisory Publication: April 15, 2015
Latest Update: April 15, 2015
Vulnerability Type: Cross-Site Scripting [CWE-79]
CVE Reference: *
Impact CVSS Severity (version 2.0):
CVSS v2 Base Score: 7.5 (HIGH) (AV:N/AC:L/Au:N/C:P/I:P/A:P) (legend)
Impact Subscore: 6.4
Exploitability Subscore: 10.0
Discover and Reporter: Wang Jing [Mathematics, Nanyang Technological
University (NTU), Singapore]




*Proposition Details:*


*(1) Vendor & Product Description:*


*Vendor:*
Comsenz


*Product & Vulnerable Versions:*
SupeSite 6.0.1UC
SupeSite 7.0


*Vendor URL & Download:*
SupeSite can be brought from here,
http://www.comsenz.com/products/other/supesite
http://www.comsenz.com/downloads/install/supesite#down_open


*Source code:*
http://www.8tiny.com/source/supesite/nav.html?index.html


*Product Introduction Overview:*
"SupeSite is an independent content management (CMS) function, and
integrates Web2.0 community personal portal system X-Space, has a strong
aggregation of community portal systems. SupeSite station can be achieved
within the forum (Discuz!), personal space (X-Space) information content
aggregation. Any webmaster , are available through SupeSite, easy to build
a community portal for Web2.0."

"Through grade audit operations, audit managers can publish information on
the station to rank classification, shield, remove the handle, which can
display information on the effective control of the site's pages. When the
audit information, the audit level is set to shield information, the
information will no longer appear on the page aggregation site, but the
user's own personal space is still displayed above. If you want to
completely shield the information, use the delete function. Audit
information is divided into five levels, you can page polymerization
conditions, freedom of information conducted classification. The default
user information released pending state audit level. Administrators can set
up the site, set whether to allow the pending status of the information
displayed on the site aggregation page."




*(2) Vulnerability Details:*
SupeSite web application has a security bug problem. It can be exploited by
stored XSS attacks. This may allow a remote attacker to create a specially
crafted request that would execute arbitrary script code in a user's
browser session within the trust relationship between their browser and the
server.

Several other SupeSite products 0-day vulnerabilities have been found by
some other bug hunter researchers before. SupeSite has patched some of
them. Exploit Archive provides sources for the latest info-sec news, tools,
and advisories. It has published suggestions, advisories, solutions details
related to XSS vulnerabilities.


*(2.1)* The vulnerability occurs at article's title field. Supesite filter
script code such as JavaScript. However, it doesn't filter VBScript. So a
normal user can insert VBScript in an article he/she published. Everyone
who visits this article will be affected by the XSS attack.





*References:*
http://www.tetraph.com/security/xss-vulnerability/comsenz-supesite-cms-stored-xss/
http://securityrelated.blogspot.com/2015/04/comsenz-supesite-cms-stored-xss-cross.html
http://www.inzeed.com/kaleidoscope/computer-web-security/comsenz-supesite-cms-stored-xss/
http://diebiyi.com/articles/%E5%AE%89%E5%85%A8/comsenz-supesite-cms-stored-xss/
https://computerpitch.wordpress.com/2015/04/15/comsenz-supesite-cms-stored-xss/
http://www.irist.ir/exploits-2836.html
http://exploitarchive.com/webshop-hun-1-062s-cross-site-scripting/
http://lists.openwall.net/full-disclosure/2015/03/02/3
http://permalink.gmane.org/gmane.comp.security.fulldisclosure/1727



--
Wang Jing,
Division of Mathematical Sciences (MAS),
School of Physical and Mathematical Sciences (SPMS),
Nanyang Technological University (NTU),
Singapore.
http://www.tetraph.com/wangjing/
https://twitter.com/justqdjing