u5CMS 3.9.3 Multiple Stored And Reflected XSS Vulnerabilities

Title: u5CMS 3.9.3 Multiple Stored And Reflected XSS Vulnerabilities
Advisory ID: ZSL-2015-5223
Type: Local/Remote
Impact: Cross-Site Scripting
Risk: (3/5)
Release Date: 09.02.2015
Summary
u5CMS is a little, handy Content Management System for medium-sized websites, conference / congress / submission administration, review processes, personalized serial mails, PayPal payments and online surveys based on PHP and MySQL and Apache.
Description
u5CMS suffers from multiple stored and reflected cross-site scripting vulnerabilities. Input passed to several POST and GET parameters 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 site.
Vendor
Stefan P. Minder - http://www.yuba.ch
Affected Version
3.9.3 and 3.9.2
Tested On
Apache 2.4.10 (Win32)
PHP 5.6.3
MySQL 5.6.21
Vendor Status
[29.12.2014] Vulnerabilities discovered.
[04.02.2015] Contact with the vendor.
[04.02.2015] Vendor replies asking more details.
[05.02.2015] Sent details to the vendor.
[06.02.2015] Vendor releases version 3.9.4 to address these issues.
[09.02.2015] Coordinated public security advisory released.
PoC
u5cms_xss.txt
Credits
Vulnerability discovered by Gjoko Krstic - <gjoko@zeroscience.mk>
References
[1] http://yuba.ch/index.php?c=u5cms&l=en
[2] http://www.exploit-db.com/exploits/36029
[3] http://xforce.iss.net/xforce/xfdb/100775
[4] http://xforce.iss.net/xforce/xfdb/100776
[5] http://packetstormsecurity.com/files/130292
[6] http://osvdb.org/show/osvdb/118127
[7] http://osvdb.org/show/osvdb/118126
[8] http://osvdb.org/show/osvdb/118125
[9] http://osvdb.org/show/osvdb/118124
[10] http://osvdb.org/show/osvdb/118123
[11] http://osvdb.org/show/osvdb/118122
[12] http://osvdb.org/show/osvdb/118121
[13] http://osvdb.org/show/osvdb/118120
[14] http://osvdb.org/show/osvdb/118119
[15] http://osvdb.org/show/osvdb/118118
[16] http://osvdb.org/show/osvdb/118117
[17] http://osvdb.org/show/osvdb/118116
[18] http://osvdb.org/show/osvdb/118115
[19] http://osvdb.org/show/osvdb/118107
[20] http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2015-1575
[21] http://cve.mitre.org/cgi-bin/cvename.cgi?name=2015-1575
Changelog
[09.02.2015] - Initial release
[11.02.2015] - Added reference [2], [3], [4], [5], [6], [7], [8], [9], [10], [11], [12], [13], [14], [15], [16], [17], [18] and [19]
[12.02.2015] - Added reference [20] and [21]
Contact
Zero Science Lab

Web: http://www.zeroscience.mk
e-mail: lab@zeroscience.mk