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osTicket 1.14.2 - SSRF Vulnerability
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# Exploit Title: osTicket 1.14.2 - SSRF # Exploit Author: Talat Mehmood # Vendor Homepage: https://osticket.com/ # Software Link: https://osticket.com/download/ # Version: <1.14.3 # Tested on: Linux # CVE : CVE-2020-24881 osTicket before 1.14.3 suffers from Server Side Request Forgery [SSRF]. HTML page is rendered on backend server on calling "Print" ticket functionality. Below are the steps to reproduce this vulnerability: 1. Create a new ticket 2. Select "HTML Format" format. 3. Add an image tag with your payload in src attribute i.e. "<img src=https://mymaliciouswebsite.com"> 4. After submitting this comment, print this ticket. 5. You'll receive a hit on your malicious website from the internal server on which osTicket is deployed. For more details, read my following blog: https://blackbatsec.medium.com/cve-2020-24881-server-side-request-forgery-in-osticket-eea175e147f0 https://nvd.nist.gov/vuln/detail/CVE-2020-24881 # 0day.today [2024-12-26] #