Vulnerability CVE-2021-37794
Published: 2021-08-31

Description:
A stored cross-site scripting (XSS) vulnerability exists in FileBrowser < v2.16.0 that allows an authenticated user authorized to upload a malicious .svg file which acts as a stored XSS payload. If this stored XSS payload is triggered by an administrator it will trigger malicious OS commands on the server running the FileBrowser instance.

Type:

CWE-79

 (Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting'))

CVSS2 => (AV:N/AC:M/Au:S/C:N/I:P/A:N)

CVSS Base Score
Impact Subscore
Exploitability Subscore
3.5/10
2.9/10
6.8/10
Exploit range
Attack complexity
Authentication
Remote
Medium
Single time
Confidentiality impact
Integrity impact
Availability impact
None
Partial
None
Affected software
Filebrowser project -> Filebrowser 

 References:
https://github.com/filebrowser/filebrowser
https://gist.github.com/omriinbar/1e28649f31d795b0e9b7698a9d255b5c
https://github.com/filebrowser/filebrowser/commit/201329abce4e92ae9071b9ded81e267aae159fbd
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