Vulnerability · Published Oct 16, 2024 · Assigned by Wordfence

CVE-2020-36838Facebook Chat Plugin <= 1.5 - Missing Capabilities Check

High 7.4

In plain English

A high-severity improper access control in Facebook Chat Plugin – Live Chat Plugin for WordPress from facebook. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 29% of all known vulnerabilities).

Severity (CVSS 3.1)7.4High

Exploit odds (30 days)0.4%top 70.8% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official 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.

Affected products (as reported)

Vendor	Product	Versions
facebook	Facebook Chat Plugin – Live Chat Plugin for WordPress	0 – before 1.6

Weakness: CWE-284 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:L

In plain English

Official description

Affected products (as reported)

References