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Description

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.

PUBLISHED Reserved 2026-01-28 | Published 2026-03-21 | Updated 2026-04-08 | Assigner Wordfence




MEDIUM: 6.4CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N

Problem types

CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Product status

Default status
unaffected

Any version
affected

Timeline

2026-01-02:Discovered
2026-03-20:Disclosed

Credits

zakaria finder

References

www.wordfence.com/...-0ae5-4849-b739-0881fec188bf?source=cve

plugins.trac.wordpress.org/...ode/trunk/schema-shortcode.php

cve.org (CVE-2026-1575)

nvd.nist.gov (CVE-2026-1575)

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