CVE-2021-40966

5.4 MEDIUM
Published: September 15, 2021 Modified: December 31, 2025

Description

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.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
https://github.com/prasathmani/tinyfilemanager
Source: cve@mitre.org
Product Third Party Advisory
https://gist.github.com/omriinbar/953368dcdd9e5eeefd83920166099528
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
https://github.com/prasathmani/tinyfilemanager
Source: af854a3a-2127-422b-91ae-364da2661108
Product Third Party Advisory

4 reference(s) from NVD

Quick Stats

CVSS v3 Score
5.4 / 10.0
EPSS (Exploit Probability)
0.2%
43th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

Affected Vendors

prasathmani