CVE-2026-1293

MEDIUM

Yoast SEO <= 26.8 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'yoast-schema' Block Attribute

Title source: CVE List
STIX 2.1 vulnerability

Record summary

CVE-2026-1293 has a selected CVSS score of 6.4 (medium).

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.

Description source: CVE List

Exploitation context

CISA SSVC decision

ExploitationNone
AutomatableNo
Technical impactPartial

CISA Coordinator · SSVC 2.0.3 · Evaluated Feb 6, 2026 · Source: CVE List

Affected products and versions

1
ProductSourceVersion range

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

Browse yoast / Yoast SEO – Advanced SEO with real-time guidance and built-in AI

Default status: unaffected

CVE ListThrough 26.8affected

References

5