Improper access control in The Official Facebook Chat Plugin - #VU34057
Published: August 5, 2020
Vulnerability identifier: #VU34057
CSH Severity: Medium
CVSS v4: 5.3 [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]
CVE-ID: N/A
CWE-ID: CWE-284
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
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.
Affected software
The Official Facebook Chat Plugin
Remediation
Install updates from vendor's website.
The Official Facebook Chat Plugin - update to 1.6