WordPress plugin
Meta pixel for WordPress security & vulnerabilities
No known unpatched vulnerabilities in the latest version
All 3 known vulnerabilities are fixed in the latest release. If you run an older version, update to null or newer.
- Critical0
- High3
- Medium0
- Low0
All Meta pixel for WordPress vulnerabilities
| Severity | Vulnerability | CVE | Published |
|---|---|---|---|
| High7.2 | Unauthenticated Stored Cross-Site Scripting ≤5.2.1Update to 5.2.2 | CVE-2026-66705 | |
| High8.1 | PHP Object Injection ≤2.2.2Update to 3.0.0 | CVE-2021-24217 | |
| High8.8 | Cross-site Request Forgery to Stored Cross-site Scripting and Settings Deletion via wp_ajax_(save|delete)_fbe_settings 3.0.0 – <3.0.4Update to 3.0.4 | CVE-2021-24218 |
- High7.2Unauthenticated Stored Cross-Site Scripting
≤5.2.1Update to 5.2.2
- High8.1PHP Object Injection
≤2.2.2Update to 3.0.0
- High8.8Cross-site Request Forgery to Stored Cross-site Scripting and Settings Deletion via wp_ajax_(save|delete)_fbe_settings
3.0.0 – <3.0.4Update to 3.0.4
Meta pixel for WordPress: common questions
Does Meta pixel for WordPress have known vulnerabilities?
Yes. VulnCrest Radar lists 3 known vulnerabilities in Meta pixel for WordPress: 3 high. None are known to affect version null.
How do I check which version of Meta pixel for WordPress I run?
In wp-admin open Plugins → Installed Plugins; the version is shown under the name. Without admin access, our passive Check my site tool can often read it from public files.
What is the most recent Meta pixel for WordPress vulnerability?
CVE-2026-66705, published Jul 31, 2026: Meta pixel for WordPress <= 5.2.1 - Unauthenticated Stored Cross-Site Scripting. Severity: High (CVSS 7.2).
Is any Meta pixel for WordPress vulnerability listed in CISA KEV?
No. None of the known Meta pixel for WordPress vulnerabilities is currently listed in the CISA KEV catalog.