CVE-2021-40966

low-risk
Published 2021-09-15

A Stored XSS exists in TinyFileManager All version up to and including 2.4.6 in /tinyfilemanager.php when the server is given a file that contains HTML and javascript in its name. A malicious user can upload a file with a malicious filename containing javascript code and it will run on any user browser when they access the server.

Do I need to act?

-
0.21% chance of exploitation
EPSS score — low exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
5
CVSS 5.4/10 Medium
NETWORK / LOW complexity

Affected Products (1)

Tiny File Manager

Affected Vendors

Prasathmani

References (4)

Third Party Advisory https://gist.github.com/omriinbar/953368dcdd9e5eeefd83920166099528
Product https://github.com/prasathmani/tinyfilemanager
Third Party Advisory https://gist.github.com/omriinbar/953368dcdd9e5eeefd83920166099528
Product https://github.com/prasathmani/tinyfilemanager
27
/ 100
low-risk
Severity 21/34 · High
Exploitability 1/34 · Minimal
Exposure 5/34 · Minimal