SEC Consult Vulnerability Lab Security Advisory < 20200701-0 > ======================================================================= title: Reflected Cross-Site Scripting (XSS) Vulnerability product: EQDKP Plus CMS vulnerable version: <= 2.3.29 fixed version: 2.3.30 CVE number: - impact: Low homepage: https://eqdkp-plus.eu/ found: 2020-04-01 by: Nik Ramadhan Nik Idris (Office Malaysia) Farhan Rahman (Office Malaysia) SEC Consult Vulnerability Lab An integrated part of SEC Consult Europe | Asia | North America https://www.sec-consult.com ======================================================================= Vendor description: ------------------- "Since 2005, EQdkp Plus is the Tool for managing your Guild and Raids. EQdkp Plus supports a lot of Games, you can easily connect it with your board and it's a full featured CMS." Source: https://eqdkp-plus.eu/ Business recommendation: ------------------------ Update to the latest version of EQdkp Plus. An in-depth security analysis performed by security professionals is highly advised, as the software may be affected from further security issues. Vulnerability overview/description: ----------------------------------- Reflected XSS vulnerability A vulnerability within Search.html allows an unauthenticated attacker to inject a client-side code which will be executed in the browser of users if they visit the manipulated site. Proof of concept: ----------------- Reflected XSS vulnerability This vulnerability can be exploited by an unauthenticated attacker. The XSS payload is injected in the search function through the 's' parameter using the HTTP POST method. URL : http:/eqdkp/index.php/Search.html?s= METHOD : POST PARAMETER: s PAYLOAD: "><script>alert(XSS")</script> Vulnerable / tested versions: ----------------------------- EQDKP Plus Core versions 2.3.28 and 2.3.29 have been tested, v2.3.29 was the latest version available at the time of the test. Vendor contact timeline: ------------------------ 2020-04-10: Contacting vendor through web contact form (https://forum.eqdkp-plus.eu/wcf/contact/) 2020-05-29: Contacting vendor;second time 2020-05-29: Vendor agreed to proceed without encrypted channel 2020-06-02: Vendor ask to send the details unencrypted to his email godmod@eqdkp-plus.eu 2020-06-02: Reported issue has been fixed and release patch in version 2.3.30 2020-07-01: Public release of security advisory Solution: --------- The fixed version => 2.3.30 of EQdkp Plus at the vendor's download page: https://download.eqdkp-plus.eu/ Workaround: ----------- None Advisory URL: ------------- https://www.sec-consult.com/en/vulnerability-lab/advisories/index.html ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ SEC Consult Vulnerability Lab SEC Consult Europe | Asia | North America About SEC Consult Vulnerability Lab The SEC Consult Vulnerability Lab is an integrated part of SEC Consult. It ensures the continued knowledge gain of SEC Consult in the field of network and application security to stay ahead of the attacker. The SEC Consult Vulnerability Lab supports high-quality penetration testing and the evaluation of new offensive and defensive technologies for our customers. Hence our customers obtain the most current information about vulnerabilities and valid recommendation about the risk profile of new technologies. ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Interested to work with the experts of SEC Consult? Send us your application https://www.sec-consult.com/en/career/index.html Interested in improving your cyber security with the experts of SEC Consult? Contact our local offices https://www.sec-consult.com/en/contact/index.html ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Mail: research at sec-consult dot com Web: https://www.sec-consult.com Blog: http://blog.sec-consult.com Twitter: https://twitter.com/sec_consult EOF Nik Ramadhan Nik Idris, Farhan Rahman / @2020