CVE-2016-11020 Information

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.

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Reference

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

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

9.8