CVE-2020-36838

Facebook Chat Plugin <= 1.5 - Missing Capabilities Check

CVSS 7.4 HIGHEPSS 0.3%CWE-284

Vexday Risk Score

21Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 7.4EPSS 0.3%KEV nãoPoC —Nuclei —Metasploit —Patch —

Lifecycle

16 Oct 2024Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

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

Affected products

facebook · Facebook Chat Plugin – Live Chat Plugin for WordPress

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References

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