[webapps] Feehi CMS 2.1.1 - Stored Cross-Site Scripting (XSS)

# Exploit Title: Feehi CMS 2.1.1 - Stored Cross-Site Scripting (XSS) # Date: 02-08-2022 # Exploit Author: Shivam Singh # Vendor Homepage: https://feehi.com/ # Software Link: https://github.com/liufee/cms #Profile Link: https://www.linkedin.com/in/shivam-singh-3906b0203/ # Version: 2.1.1 (REQUIRED) # Tested on: Linux, Windows, Docker # CVE : CVE-2022-34140 # Proof of Concept: 1-Sing-up https://localhost.cms.feehi/ 2-Inject The XSS Payload in Username: "><script>alert(document.cookie)</script> fill all required fields and click the SignUp button 3-Login to Your Account, Go to any article page then XSS will trigger.