Improper access control in The Official Facebook Chat Plugin for WordPress



Published: 2020-08-05
Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID N/A
CWE-ID CWE-284
Exploitation vector Network
Public exploit Public exploit code for vulnerability #1 is available.
Vulnerable software
Subscribe 		The Official Facebook Chat Plugin
Web applications / Modules and components for CMS

Vendor Facebook Inc.

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Improper access control

EUVDB-ID: #VU34057

Risk: Medium

CVSSv3.1:

CVE-ID: N/A

CWE-ID: CWE-284 - Improper Access Control

Exploit availability: No

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.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

The Official Facebook Chat Plugin: 1.0 - 1.5

CPE2.3 External links

http://wpvulndb.com/vulnerabilities/10343/
http://www.youtube.com/watch?v=rlgcBqLsSi8&feature=emb_logo


Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?



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