Vulnerability Description
The Yoast SEO – Advanced SEO with real-time guidance and built-in AI plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the the `yoast-schema` block attribute in all versions up to, and including, 26.8 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with Contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
CVSS Score
MEDIUM
Related Weaknesses (CWE)
References
- https://plugins.trac.wordpress.org/browser/wordpress-seo/tags/26.8/inc/class-wps
- https://plugins.trac.wordpress.org/browser/wordpress-seo/tags/26.8/src/generator
- https://plugins.trac.wordpress.org/browser/wordpress-seo/tags/26.8/src/presenter
- https://www.wordfence.com/threat-intel/vulnerabilities/id/8b2e7c2d-ed2f-439b-9ce
FAQ
What is CVE-2026-1293?
CVE-2026-1293 is a vulnerability with a CVSS score of 6.4 (MEDIUM). The Yoast SEO – Advanced SEO with real-time guidance and built-in AI plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the the `yoast-schema` block attribute in all versions up to,...
How severe is CVE-2026-1293?
CVE-2026-1293 has been rated MEDIUM with a CVSS base score of 6.4/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-1293?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.