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WordPress plugins

CVE-2026-3427

Vulnerability in Yoast SEO – Advanced SEO with real-time guidance and built-in AI

Severity
Unrated
Published
21 Mar 2026
Added to UpHeron
21 Oct 2026
Fixed in
27.2
Also known as
WPV-07dc848aeea5
Sources
WPVulnerability

Affected software

SoftwareAffected versions
Yoast SEOWordPress plugins · wp-plugin:wordpress-seo
  • Every version before 27.2

References

  • CVE.org https://www.cve.org/CVERecord?id=CVE-2026-3427
  • Wordfence https://www.wordfence.com/threat-intel/vulnerabilities/wordpress-plugins/wordpress-seo/yoast-seo-2711-authenticated-contributor-stored-cross-site-scripting-via-jsontext-block-attribute