EUVD-2026-14169
GHSA-c6fv-mp3f-p6j3
CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
Lifecycle Timeline
3Description
The Schema Shortcode plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's `itemscope` shortcode in all versions up to, and including, 1.0 due to insufficient input sanitization and output escaping on user supplied attributes. 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.
Analysis
The Schema Shortcode plugin for WordPress contains a Stored Cross-Site Scripting (XSS) vulnerability in the `itemscope` shortcode that allows authenticated attackers with contributor-level access or higher to inject arbitrary malicious scripts into pages. These injected scripts execute whenever any user accesses the affected page, potentially compromising visitor sessions and data. …
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Remediation
Within 30 days: Identify affected systems running all and apply vendor patches as part of regular patch cycle. Verify Content-Security-Policy and output encoding.
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External POC / Exploit Code
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