CVE-2019-16971 Information

Description

In FusionPBX up to 4.5.7 the file app\messages\messages_thread.php uses an unsanitized \contact_uuid\ variable coming from the URL which is reflected on 3 occasions in HTML leading to XSS.

CVSS Vector

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

Reference

https://github.com/fusionpbx/fusionpbx/commit/c48a160af53352ad1a43518b7d0faab16b8dfbcc https://resp3ctblog.wordpress.com/2019/10/19/fusionpbx-xss-4/

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

REQUIRED

Confidentiality Impact

CHANGED

Integrity Impact

LOW

Availability Impact

LOW

Base Score

NONE

Base Severity

6.1