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CVE-2026-66705

HIGH 7.1 CVSS 3.1
Published
August 6, 2026
Last modified
October 24, 2026
NVD status
Deferred
Reported by
audit@patchstack.com
Weakness
CWE-79
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L

Description

Unauthenticated Cross Site Scripting (XSS) in Facebook for WordPress <= 5.2.1 versions.

Affected WordPress components

A confirmed match is backed by the plugin or theme slug. A possible match is based on the product name only and should be verified.

Affected products and versions

  • Facebook Facebook for WordPress — Up to and including 5.2.1

References

  • patchstack.com https://patchstack.com/database/wordpress/plugin/official-facebook-pixel/vulnerability/wordpress-facebook-for-wordpress-plugin-5-2-1-cross-site-scripting-xss-vulnerability?_s_id=cve
  • nvd.nist.gov Official NVD record