Unauth XSS in Facebook for WP <=5.2.1
CVE-2026-66705 Published on August 6, 2026
WordPress Facebook for WordPress plugin <= 5.2.1 - Cross Site Scripting (XSS) vulnerability
Unauthenticated Cross Site Scripting (XSS) in Facebook for WordPress <= 5.2.1 versions.
Vulnerability Analysis
CVE-2026-66705 can be exploited with network access, requires user interaction. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to be low. considered to have a small impact on confidentiality and integrity and availability.
Weakness Type
What is a XSS Vulnerability?
The software does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.
CVE-2026-66705 has been classified to as a XSS vulnerability or weakness.
Products Associated with CVE-2026-66705
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Affected Versions
Facebook for WordPress (WordPress Plugin official-facebook-pixel):- Before and including 5.2.1 is affected.