CVE-2020-36838

HIGH EPSS 25.8%

Published Oct 16, 20241y ago · Modified Jun 17, 20261w ago

7.4 CVSS 3.1

High

Published Oct 16, 2024 1y ago

Last Modified Jun 17, 2026 1w ago

Description

The Facebook Chat Plugin for WordPress is vulnerable to authorization bypass due to a missing capability check on the wp_ajax_update_options function in versions up to, and including, 1.5. This flaw makes it possible for low-level authenticated attackers to connect their own Facebook Messenger account to any site running the vulnerable plugin and engage in chats with site visitors on affected sites.

CVSS Details

Base Score

7.4

Exploitability

3.1

Impact

3.7

Vector string

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

Attack Vector Network

Attack Complexity Low

Privileges Required Low

User Interaction None

Scope Changed

Confidentiality Low

Integrity Low

Availability Low

Threat Intelligence

EPSS Exploit Probability

25.8% percentile

Exploit & Patch Status

No Known Exploit

No Patch Available

Weaknesses 1

CWE-284

References 2

wordfence.com https://www.wordfence.com/blog/2020/08/the-official-facebook-chat-plugin-created-vector-for-social-engineering-attacks/
wordfence.com https://www.wordfence.com/threat-intel/vulnerabilities/id/36ae4183-5fa7-484c-b858-5df10ae3d3f2?source=cve

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.