// For flags

CVE-2021-24217

Facebook for WordPress < 3.0.0 - PHP Object Injection with POP Chain

Severity Score

8.1
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

2
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

The run_action function of the Facebook for WordPress plugin before 3.0.0 deserializes user supplied data making it possible for PHP objects to be supplied creating an Object Injection vulnerability. There was also a useable magic method in the plugin that could be used to achieve remote code execution.

La función run_action del plugin de Facebook para WordPress versiones anteriores a 3.0.0, deserializa unos datos suministrados por el usuario, haciendo posible que sean suministrados objetos PHP creando una vulnerabilidad de Inyección de Objetos.&#xa0;También había un método mágico usable en el plugin que podía ser usado para lograr una ejecución de código remota

*Credits: Chloe Chamberland
CVSS Scores
Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
None
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-502: Deserialization of Untrusted Data
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
Search vendor "Facebook" for product "Facebook" and version " < 3.0.0"
wordpress
Affected