vulnerability
WordPress Plugin: facebook-messenger-customer-chat: CVE-2020-36838: Improper Access Control
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 7 | (AV:N/AC:L/Au:S/C:P/I:P/A:P) | Aug 4, 2020 | May 15, 2025 | Apr 29, 2026 |
Severity
7
CVSS
(AV:N/AC:L/Au:S/C:P/I:P/A:P)
Published
Aug 4, 2020
Added
May 15, 2025
Modified
Apr 29, 2026
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.
Solution
facebook-messenger-customer-chat-plugin-cve-2020-36838
References
- https://www.cve.org/CVERecord?id=CVE-2020-36838
- https://www.wordfence.com/threat-intel/vulnerabilities/id/36ae4183-5fa7-484c-b858-5df10ae3d3f2?source=api-prod
- https://euvd.enisa.europa.eu/vulnerability/EUVD-2020-30790
- CVE-2020-36838
- https://attackerkb.com/topics/CVE-2020-36838
- CWE-284
- EUVD-EUVD-2020-30790
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