// For flags

CVE-2021-24218

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

Severity Score

8.8
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

2
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

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.

Las acciones AJAX wp_ajax_save_fbe_settings y wp_ajax_delete_fbe_settings del plugin de Facebook para WordPress versiones anteriores a 3.0.4, eran vulnerables a un ataque de tipo CSRF debido a una falta de protección nonce. La configuración de la función saveFbeSettings no tenía saneamiento, permitiendo a unas etiquetas de script sean guardadas

*Credits: Chloe Chamberland
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Attack Vector
Network
Attack Complexity
Medium
Authentication
None
Confidentiality
Partial
Integrity
Partial
Availability
Partial
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2021-01-14 CVE Reserved
  • 2021-03-25 CVE Published
  • 2024-08-03 CVE Updated
  • 2024-08-03 First Exploit
  • 2024-08-15 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
CWE
  • CWE-352: Cross-Site Request Forgery (CSRF)
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Facebook
Search vendor "Facebook"
 Facebook
Search vendor "Facebook" for product "Facebook"
 >= 3.0.0 < 3.0.4
Search vendor "Facebook" for product "Facebook" and version " >= 3.0.0 < 3.0.4"
wordpress
Affected