Vulnerability CVE-2016-11020
Published: 2020-02-25

Description:
Kunena before 5.0.4 does not restrict avatar file extensions to gif, jpeg, jpg, and png. This can lead to XSS and remote code execution.

Type:

CWE-434

 (Unrestricted Upload of File with Dangerous Type)

CVSS2 => (AV:N/AC:L/Au:N/C:P/I:P/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
7.5/10
6.4/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
Partial
Partial
Affected software
Kunena -> Kunena 

 References:
https://github.com/Kunena/Kunena-Forum/pull/5028
https://www.kunena.org/blog/179-kunena-5-0-4-released
https://www.kunena.org/bugs/changelog
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