CVE-2020-36838

Facebook Chat Plugin <= 1.5 - Missing Capabilities Check

highImproper Access Control

7.4

CVSS Score

7.4

CVSS Score

high

Severity

1.6

Patched in

1534d

Time to patch

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 Vector Breakdown

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

Low

Confidentiality

Low

Integrity

Low

Availability

Technical Details

Affected versions<1.6

PublishedAugust 4, 2020

Last updatedOctober 16, 2024

Affected pluginfacebook-messenger-customer-chat

References

https://www.wordfence.com/threat-intel/vulnerabilities/id/36ae4183-5fa7-484c-b858-5df10ae3d3f2?source=api-prod

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