Facebook for WordPress 3.0.0-3.0.3 - CSRF to Stored XSS and Settings Deletion
CVE-2021-24218
8.8HIGH
Summary
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
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