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CVE-2021-40966

MEDIUM
5.4
CVSS Score
Published: September 15, 2021 at 05:10 PM UTC
Updated: June 17, 2026 at 04:07 AM UTC
1 product affected across 1 vendorTinyFileManager

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Severity
MEDIUM5.4
Exploit prediction
EPSS 0.5%

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (2)

x_refsource_MISCThird Party Advisory
Source: [email protected]
https://gist.github.com/omriinbar/953368dcdd9e5eeefd83920166099528
x_refsource_MISCProductThird Party Advisory
Source: [email protected]
https://github.com/prasathmani/tinyfilemanager

CVSS

5.4MEDIUM[email protected]
Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality
LOW
Integrity
LOW
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-79

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