*******************************************************************1CRM On-Premise Software 8.5.7** Stored XSS *******************************************************************////////////////////////////////////////////////////////////////////////////////////# Exploit Title: 1CRM On-Premise Software 8.5.7 - Cross-Site Scripting# Date: 19/07/2019# Exploit Author: Kusol Watchara-Apanukorn# Vendor Homepage: https://1crm.com/# Version: 8.5.7 <=# Tested on: CentOS 7.6.1810 (Core)# CVE : CVE-2019-14221//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
1CRM On-Premise Software 8.5.7 allows XSS via a payload that is
mishandled during a Run Report operation./////////////////////////////////////////////////////////////////////////////////////////////////////////////////
Vulnerability Description:
XSS flaws occur whenever an application includes untrusted data in a
new web page without proper validation or escaping,or updates an
existing web page with user supplied data using a browser API that can
create JavaScript. XSS allows attackers to execute scripts in the
victim’s browser which can hijack user sessions, deface web sites,or
redirect the user to malicious sites.########################################################################################################################
Attack Narratives and Scenarios:##**Attacker**#1. Login asany user
#2. Click Email icon
#3. Click Report
#4. Click Create Report
#5. Fill Report Name (In our case we fill Company B)#6. Assign to Victim (In our case we assigned to admin)#7. Click Column Layout
#8. Click Add empty column
#9. Input malicious code (In our case:<script>alert(document.cookie);</script>)#10. Click Save
##**Victim**#1. Click email icon
#2. Click Report
#3. Choose report that we recently created (In our case we choose
Company B)#4. Click Run Report
#5. Admin cookie will popup
#########################################################################################################################
PoC
-----------------------------------------
Github: https://github.com/cccaaasser/1CRM-CVE/blob/master/CVE-2019-14221.md
Vulnerability Disclosure Timeline:==================================19 July,19: Found Vulnerability
19 July,19: Vendor Notification
24 July19 : Vendor Response
24 July19 : Vendor Fixed
31 July,19: Vendor released new patched version 8.5.10