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Medium severity · published Sep 15, 2021
CVE-2021-40966
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
5.4
CVSS
0.5%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
Required
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.5% · higher than 45% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
TF
Tiny File Manager · Prasathmani
through 2.4.6 · source: NVD
Affected product
TF
Tiny File Manager
Prasathmani
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-40966
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-40966
Third Party Advisory
https://gist.github.com/omriinbar/953368dcdd9e5eeefd83920166099528
Product
https://github.com/prasathmani/tinyfilemanager
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