Vulnerability · Published Apr 12, 2021 · Assigned by WPScan

CVE-2021-24217Facebook for WordPress < 3.0.0 - PHP Object Injection with POP Chain

High 8.1

In plain English

A high-severity unsafe deserialization in Facebook for WordPress from Unknown. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 3.5% (higher than 89% of all known vulnerabilities).

Severity (CVSS NVD)8.1High
Exploit odds (30 days)3.5%top 10.7% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official 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 products (as reported)

VendorProductVersions
Unknown Facebook for WordPress 3.0.0 – before 3.0.0

Weakness: CWE-502

References