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: 5.7 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C]

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?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability. However, proof of concept for this vulnerability is available.



###SIDEBAR###