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CVE-2021-24217

HIGH 8.1 CVSS 3.1
Published
April 12, 2021
Last modified
June 17, 2026
NVD status
Modified
Reported by
contact@wpscan.com
Weakness
CWE-502
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Description

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.

Affected WordPress components

A confirmed match is backed by the plugin or theme slug. A possible match is based on the product name only and should be verified.

Affected products and versions

  • Unknown Facebook for WordPress — From 3.0.0 (including) to 3.0.0 (excluding)
  • facebook facebook — Before 3.0.0

References

  • wpscan.com https://wpscan.com/vulnerability/509f2754-a1a1-4142-9126-ae023a88533a Exploit, Third Party Advisory
  • www.wordfence.com https://www.wordfence.com/blog/2021/03/two-vulnerabilities-patched-in-facebook-for-wordpress-plugin/ Exploit, Third Party Advisory
  • nvd.nist.gov Official NVD record