#VU34057 Improper access control in The Official Facebook Chat Plugin

 

#VU34057 Improper access control in The Official Facebook Chat Plugin

Published: August 5, 2020


Vulnerability identifier: #VU34057
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/U:Green
CVE-ID: N/A
CWE-ID: CWE-284
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
The Official Facebook Chat Plugin
Software vendor:
Facebook Inc.

Description

The vulnerability allows a remote attacker to gain unauthorized access to otherwise restricted functionality.

The vulnerability exists due to improper access restrictions in the "wp_ajax_update_options" AJAX action. A remote authenticated attacker can send a request to update the options and hook-up their own Facebook Messenger account.


Remediation

Install updates from vendor's website.

External links