Date: Thu, 29 Mar 2018 08:55:09 -0600
From: "Mohamed A. Baset" <maebaset@...kurity.com>
To: bugtraq@...urityfocus.com, fulldisclosure@...lists.org, 
 Inj3ct0r <mr.inj3ct0r@...il.com>, Packet Storm <packet@...ketstormsecurity.com>,
 submit@...sec.com, "cve-assign@...re.org" <cve-assign@...re.org>, nvd@...t.gov
Subject: [FD] Multiple Cross-Site Scripting Vulnerabilities in Crea8Social
 Social Network Script

[-] Title: Multiple Cross-Site Scripting Vulnerabilities in Crea8Social
Social Network Script

[-] Product Description:
Crea8Social is the leading social networking software that helps you build
your own custom online community.

[-] Vulnerability Type:
Multiple Cross-Site Scripting Vulnerabilities (Stored and Reflected)

[-] Impact and more info:
https://www.owasp.org/index.php/Cross-site_Scripting_(XSS
<http://s.bl-1.com/h/cd516bSJ?url=https://www.owasp.org/index.php/Cross-site_Scripting_(XSS>
)

[-] Version affected:
Crea8Social Social Network Script – Pro and Business

[-] Test Performed:
Quick Trial Security Assessment (not fully tested)

[-] Vulnerable Request Type:
GET, POST

[-] Vulnerable Module/Parameter/Path:
1. Stored Cross-Site Scripting Vulnerability in Crea8Social Post comments
2. Stored Cross-Site Scripting Vulnerability in Crea8Social User Profile
3. Stored Cross-Site Scripting Vulnerability in Crea8Social Posts
4. Reflected Cross-Site Scripting Vulnerability in Search feature:
–
[Script_Installation_Domain]/search?term=%22%20onmousemove=%22alert(document.domain)%22
– [Script_Installation_Domain]/search/dropdown

[-] Payload used:
<<SCRIPT>alert(“XSS-Here”);//<</SCRIPT>

[-] Blogpost and Proof of concept Videos:
–
https://www.seekurity.com/blog/general/multiple-cross-site-scripting-vulnerabilities-in-crea8social-social-network-script
<http://s.bl-1.com/h/cd516hrL?url=https://www.seekurity.com/blog/general/multiple-cross-site-scripting-vulnerabilities-in-crea8social-social-network-script>
/
– https://www.youtube.com/watch?v=bCf0hO9upto
<http://s.bl-1.com/h/cd516mFN?url=https://www.youtube.com/watch?v=bCf0hO9upto>
– https://www.youtube.com/watch?v=QqJFh3Ame9g
<http://s.bl-1.com/h/cd516rfQ?url=https://www.youtube.com/watch?v=QqJFh3Ame9g>

[-] Attack Vectors:
– Escalation of Privileges: A normal user can create a bogus (user) account
on Crea8Social platform hence hijack the Admin’s account and takeover the
whole installation.
– Client Side JS Code Execution: A normal user can create a bogus (user)
account on Crea8Social platform with a stored XSS attack vector which will
lead to execute JS code on behalf of all the user types passing by the
attacker’s public user profile page.
– Information Disclosure: A normal user can create a bogus (user) account
on Crea8Social platform with a rough stored XSS attack vector to perform
client side js code execution on other users sessions hence steal their
session cookie or their private information from their accounts.

[-] Fix Suggestion:
Filter and sanitize all the user supplied inputs.

[-] Advisory(s):
– CVE-2018-9120
– CVE-2018-9121
– CVE-2018-9122
– CVE-2018-9123

[-] Product URL(s):
https://www.crea8social.com
<http://s.bl-1.com/h/cd516w2S?url=https://www.crea8social.com>/

[-] Disclaimer:
This bug is subject to Seekurity SAS de C.V. responsible disclosure rules
which is a 90-day-disclosure-deadline or NON-Responsive vendor. After 90
days elapse, Non-Responsive vendor detection or a patch has been made
broadly available, the bug details will become visible to the public
through our official communication channels.



*Mohamed Abdelbasset Elnouby*Founder and Cyber Security Advisor at
Seekurity SAS
de C.V. <http://s.bl-1.com/h/cd5160RV?url=http://www.seekurity.com/>

Contact me at:
LinkedIn
<http://s.bl-1.com/h/cd5165qX?url=https://www.linkedin.com/in/symbiansymoh>
Facebook
<http://s.bl-1.com/h/cd5169DZ?url=https://fb.com/symbiansymoh>Twitter
<http://s.bl-1.com/h/cd516Gfc?url=https://twitter.com/symbiansymoh>

*Let's speak encrypted. Here's my Public Key on PGP Global Directory: *
*Click to download
<http://s.bl-1.com/h/cd516L2f?url=https://keyserver2.pgp.com/vkd/DownloadKey.event?keyid=0xB98D757E71BA4D71>*

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