Report: CVE-2026-3427 - Yoast SEO <= 27.1.1 - authenticated (contributor+) stored cross-site scripting vi...

Report: CVE-2026-3427 - Yoast SEO <= 27.1.1 - authenticated (contributor+) stored cross-site scripting vi...

CVE ID :CVE-2026-3427 Published : March 22, 2026, 4:16 a.m. | 33 minutes ago 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 `jsonText` block attribute in all versions up to, and including, 27.1.1 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. Severity: 6.4 | MEDIUM Visit the link for more details, such as CVSS details, affected products, timeline, and more...

CVE Details

Severity
MEDIUM
Published
March 22, 2026
Affected Product: WordPress