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CVE-2026-3604

MEDIUM

4.9

Beschreibung

The WP SEO Structured Data Schema plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the `_kcseo_ative_tab` parameter in all versions up to, and including, 2.8.1 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.

CVE Details

CVSS v3.1 Bewertung4.9

SchweregradMEDIUM

CVSS VektorCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:N

AngriffsvektorNETWORK

KomplexitatHIGH

Erforderliche PrivilegienLOW

BenutzerinteraktionNONE

Veroffentlicht5/12/2026

Zuletzt geandert5/12/2026

Quellenvd

Honeypot-Sichtungen0

Schwachen (CWE)

CWE-79

Referenzen

https://plugins.trac.wordpress.org/browser/wp-seo-structured-data-schema/tags/2.8.1/lib/classes/KcSeoMetaData.php#L133(security@wordfence.com)

https://plugins.trac.wordpress.org/browser/wp-seo-structured-data-schema/tags/2.8.1/lib/classes/KcSeoMetaData.php#L177(security@wordfence.com)

https://plugins.trac.wordpress.org/browser/wp-seo-structured-data-schema/trunk/lib/classes/KcSeoMetaData.php#L133(security@wordfence.com)

https://plugins.trac.wordpress.org/browser/wp-seo-structured-data-schema/trunk/lib/classes/KcSeoMetaData.php#L177(security@wordfence.com)

https://www.wordfence.com/threat-intel/vulnerabilities/id/315fbc93-5af3-4fe9-b97a-a09957e54c97?source=cve(security@wordfence.com)

IOC Korrelationen

Keine Korrelationen erfasst

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