CVE-2021-40966

5.4 mediumEPSS 0.5%

Medium (5.4) in prasathmani tiny file manager. 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.

Severity

CVSS 3.1

5.4 medium

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

EPSS: 0.5% chance of exploitation in the next 30 days; higher than 45% of CVEs (scores of 2026-10-31)
CWE: CWE-79
Published: 2021-09-15
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

prasathmani:tiny_file_manager

References

https://gist.github.com/omriinbar/953368dcdd9e5eeefd83920166099528
https://github.com/prasathmani/tinyfilemanager
https://gist.github.com/omriinbar/953368dcdd9e5eeefd83920166099528
https://github.com/prasathmani/tinyfilemanager

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