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Atlassian Jira Service Desk 4.9.1 - Unrestricted File Upload to XSS Vulnerability
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# Exploit Title: Atlassian Jira Service Desk 4.9.1 - Unrestricted File Upload to XSS # Exploit Author: Captain_hook # Vendor Homepage: https://www.atlassian.com/ # Version: < 4.10.0 # Tested on: All OS # CVE: CVE-2020-14166 Summary: The /servicedesk/customer/portals resource in Jira Service Desk Server and Data Center before version 4.10.0 allows remote attackers with project administrator privileges to inject arbitrary HTML or JavaScript names via an Cross Site Scripting (XSS) vulnerability by uploading a html file. Steps to reproduce: 1- reach to this directory http://localhost:port/servicedesk/customer/portals?customize=true 2- There's a place where the banner can be uploaded when upload wizard popup you can see that the banner image restricted to image format, you can change that type easily 3- then you can upload HTML and javascript files and hijacking cookies or XSRF tokens. Original report in bugcrowd: https://bugcrowd.com/disclosures/61a50171-aa55-4126-b9f4-4e82b4b8c301/unrestricted-file-upload-stored-xss-for-token-hijacking Original ticket in atlassian: https://jira.atlassian.com/browse/JSDSERVER-6895?error=login_required&error_description=Login+required&state=28f8e754-fb05-4f5e-adda-79e252fe2c30 # 0day.today [2024-09-28] #