CVE-2026-1293
6.4
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
Summary
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.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| yoast | Yoast SEO – Advanced SEO with real-time guidance and built-in AI | 0 <= 26.8 | affected |
Weaknesses
- CWE-79: CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
ADP Enrichment
CISA ADP Vulnrichment
- SSVC:
- Exploitation: none
- Automatable: no
- Technical Impact: partial
References
- https://www.wordfence.com/threat-intel/vulnerabilities/id/8b2e7c2d-ed2f-439b-9cee-f2e5d46121b6?source=cve
- https://plugins.trac.wordpress.org/browser/wordpress-seo/tags/26.8/src/presenters/schema-presenter.php#L49
- https://plugins.trac.wordpress.org/browser/wordpress-seo/tags/26.8/inc/class-wpseo-utils.php#L915
- https://plugins.trac.wordpress.org/browser/wordpress-seo/tags/26.8/src/generators/schema-generator.php#L188
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