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CVE-2016-11020

Date: February 24, 2020

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.

Language: PHP

Severity Score

Related Resources (5)

https://www.kunena.org/bugs/changelog
https://nvd.nist.gov/vuln/detail/CVE-2016-11020
https://github.com/Kunena/Kunena-Forum/pull/5028
https://www.kunena.org/blog/179-kunena-5-0-4-released
https://www.mend.io/vulnerability-database/CVE-2016-11020

Severity Score

Weakness Type (CWE)

Unrestricted Upload of File with Dangerous Type

CWE-434

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): PARTIAL
Integrity (I): PARTIAL
Availability (A): PARTIAL
Additional information:

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