CVE-2021-40966: Prasathmani Tiny File Manager

Medium severity, CVSS 5.4. EPSS: 0.5% chance of exploitation in the next 30 days.

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.

Affected products

• Prasathmani Tiny File Manager: up to and including 2.4.6

Published 2021-09-15. Last modified 2026-06-17.