CVE-2021-24218
Last modified
CVE-2021-24218 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. The wp_ajax_save_fbe_settings and wp_ajax_delete_fbe_settings AJAX actions of the Facebook for WordPress plugin before 3.0.4 were vulnerable to CSRF due to a lack of nonce protection. The settings in the saveFbeSettings function had no sanitization allowing for script tags to be saved.. EPSS estimates a 0.70% chance of exploitation in the next 30 days.
Description
The wp_ajax_save_fbe_settings and wp_ajax_delete_fbe_settings AJAX actions of the Facebook for WordPress plugin before 3.0.4 were vulnerable to CSRF due to a lack of nonce protection. The settings in the saveFbeSettings function had no sanitization allowing for script tags to be saved.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| >= 3.0.0, < 3.0.4 |
References
- https://wpscan.com/vulnerability/169d21fc-d191-46ff-82e8-9ac887aed8a4Exploit, Third Party Advisory
- https://www.wordfence.com/blog/2021/03/two-vulnerabilities-patched-in-facebook-for-wordpress-plugin/Exploit, Third Party Advisory
- https://wpscan.com/vulnerability/169d21fc-d191-46ff-82e8-9ac887aed8a4Exploit, Third Party Advisory
- https://www.wordfence.com/blog/2021/03/two-vulnerabilities-patched-in-facebook-for-wordpress-plugin/Exploit, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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