CVE · High

CVE-2026-66705 — Meta pixel for WordPress [official-facebook-pixel] < 5.2.2

CVE Vulnerability Type Severity Affected Fixed in Published Status
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

CVE-2026-66705

The Meta Pixel plugin for WordPress is susceptible to a Stored Cross-Site Scripting issue affecting versions prior to 5.2.1, where inadequate input validation and output encoding allow malicious actors to embed unauthorized code snippets into website content. This embedded code will execute whenever a user views the affected page, posing a risk of unauthorized actions being performed on their behalf.

Based on public CVE data (MITRE/NVD).

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