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Servers and applications · WordPress plugins

CVE-2019-13478

Yoast SEO – Advanced SEO with real-time guidance and built-in AI: Cross-site Scripting

Severity
Critical 9.8
Published
9 Jul 2019
Last changed
17 Jun 2026
Added to UpHeron
21 Oct 2026
Fixed in
11.6
Also known as
WPV-d593084b5162
Sources
NVD, WPVulnerability

Description

The Yoast SEO plugin before 11.6-RC5 for WordPress does not properly restrict unfiltered HTML in term descriptions.

Affected software

SoftwareAffected versions
Yoast SEOServers and applications · cpe:a:yoast:yoast_seo
  • Every version before 11.6
  • Version 11.6-rc1
  • Version 11.6-rc2
  • Version 11.6-rc3
  • Version 11.6-rc4
Yoast SEOWordPress plugins · wp-plugin:wordpress-seo
  • Every version before 11.6

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2019-13478
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2019-13478
  • Wordfence https://www.wordfence.com/threat-intel/vulnerabilities/wordpress-plugins/wordpress-seo/yoast-seo-115-authenticated-stored-cross-site-scripting