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OpenAdvisories

Product · kcseopro

WP SEO Structured Data Schema

2 known vulnerabilities.

All Critical High Medium Low Exploited only Public exploit

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  • Medium 4.9
    CVE-2026-3604

    WP SEO Structured Data Schema <= 2.8.1 - Authenticated (Contributor+) Stored Cross-Site Scripting via '_kcseo_ative_tab' Parameter

    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 poss…

    kcseopro WP SEO Structured Data Schema Web / CMS
  • Medium 6.4
    CVE-2025-4127

    WP SEO Structured Data Schema <= 2.7.11 - Authenticated (Contributor+) Stored Cross-Site Scripting via Plugin Settings

    The WP SEO Structured Data Schema plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the ‘Price Range’ parameter in all versions up to, and including, 2.7.11 due to insufficient input sanitization and output escaping. This makes it possible…

    kcseopro WP SEO Structured Data Schema Web / CMS