Facebook for WordPress 3.0.0-3.0.3 - CSRF to Stored XSS and Settings Deletion
CVE-2021-24218

8.8HIGH

Key Information:

Vendor

Wordpress
Status
Facebook For WordPress
Vendor
CVE Published:
12 April 2021

What is CVE-2021-24218?

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.

Affected Version(s)

Facebook for WordPress 3.0.0 < 3.0.0*

Facebook for WordPress 3.0.4

References

https://www.wordfence.com/blog/2021/03/two-vulnerabilitie...
x_refsource_MISC
https://wpscan.com/vulnerability/169d21fc-d191-46ff-82e8-...
x_refsource_CONFIRM

CVSS V3.1

Score:
8.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Chloe Chamberland
.