PLUGIN SECURITY
Is Official Facebook Pixel safe?
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What this plugin does
- Slug:
official-facebook-pixel - Author: Facebook
- 400000+ active installs
- 54/100 rating (164 reviews on wordpress.org)
- 11260144 all-time downloads
- On WordPress.org since 2018-11-06
Conversions APIfacebookmetameta adspixel
Maintenance status
- Latest known version: 5.2.2
- Last updated: 2026-07-27 8:53am GMT
- Tested up to WordPress: 7.0.4
- Requires PHP: 7.4+
Known vulnerabilities
3 known CVEs on file for Official Facebook Pixel. Reported between 2021 and 2021.
| CVE | Vulnerability | Type | Severity | Affected | Fixed in | Published | Status |
|---|---|---|---|---|---|---|---|
| CVE-2021-24217 | Meta pixel for WordPress [official-facebook-pixel] < 3.0.0 | Deserialization of Untrusted Data | High 8.1 | < 3.0.0 | 3.0.0 | 2021-03-25 | ✓ fixed in latest |
| CVE-2021-24218 | Meta pixel for WordPress [official-facebook-pixel] >= 3.0.0 - <= 3.0.3 | Cross-Site Request Forgery (CSRF) | High 8.8 | 3.0.0–3.0.4 | 3.0.4 | 2021-03-25 | ✓ fixed in latest |
| — | Meta pixel for WordPress [official-facebook-pixel] < 3.0.0 | — | Unknown | < 3.0.0 | 3.0.0 | 2021-03-25 | ✓ fixed in latest |
| — | Meta pixel for WordPress [official-facebook-pixel] >= 3.0.0 - <= 3.0.3 | — | Unknown | 3.0.0–3.0.3 | 3.0.3 | 2021-03-25 | ✓ fixed in latest |
| CVE-2026-66705 | Meta pixel for WordPress [official-facebook-pixel] < 5.2.2 | Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') | High 7.1 | < 5.2.2 | 5.2.2 | 2021-03-25 | ✓ fixed in latest |
How to fix it
Keep Official Facebook Pixel updated — 5.2.2 is the latest version on wordpress.org, and each CVE above lists the exact release that fixed it ("Fixed in").
This is the plugin's full known vulnerability history, not a scan of any specific installation — run a free scan of your own site to check your exact installed version.
Safer / more established alternatives
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Check your own WordPress site
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