UnoPim before 2.1.5 contains an authenticated file upload vulnerability that allows authenticated administrators to upload arbitrary PHP files through the TinyMCE image upload endpoint due to missing file extension and MIME type validation. Attackers can upload a PHP web shell to the public storage disk and execute arbitrary operating system commands on the server by accessing the uploaded file at the URL returned in the server response.
Attack Parameters
Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Attack Requirements
None
No additional conditions
Privileges Required
High
Admin privileges needed
User Interaction
None
No user interaction needed
Impact Assessment
Confidentiality
High
Complete data leak
Integrity
High
Complete data modification
Availability
High
Complete denial of service
CVSS Vector v4.0
Weakness Type (CWE)
Vulnerable Products
unopim:unopim
References 4
https://ashutosh-jena.in/blog/remote-code-execution-rce-via-unrestricted-file-u…
disclosure@vulncheck.com
https://github.com/unopim/unopim/commit/675dfb5155a87f94c5ac861545a31b8f6ea44f5b
disclosure@vulncheck.com
https://github.com/unopim/unopim/releases/tag/v2.1.5
disclosure@vulncheck.com
https://www.vulncheck.com/advisories/unopim-file-upload-rce-via-tinymce-image-u…
disclosure@vulncheck.com