7.4
High
CVE-2020-36838 The Facebook Chat Plugin for WordPress is vulnerable to authorization bypass due to a missing capability check on the…
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 and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Facebook Chat Plugin – Live Chat Plugin for WordPress 1.6 | earliest → < 1.6 | 1.6 |