PT-2026-26812 · WordPress · Schema Shortcode

Zakaria · Published 2026-03-21 · Updated 2026-03-21 · CVE-2026-1575

Positive Technologies (AI Summary)

CVSS v3.1

6.4

Medium

Base vector

AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N

Name of the Vulnerable Software and Affected Versions Schema Shortcode plugin for WordPress versions prior to 1.1

Description The Schema Shortcode plugin for WordPress is susceptible to Stored Cross-Site Scripting through the itemscope shortcode. Insufficient input sanitization and output escaping on user-supplied attributes allows authenticated attackers with contributor-level access or higher to inject arbitrary web scripts into pages. These scripts will execute when a user accesses the affected page.

Recommendations Update the Schema Shortcode plugin to version 1.1 or later.

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2026-1575

Affected Products

Schema Shortcode

References · 4

• https://nvd.nist.gov/vuln/detail/CVE-2026-1575 · Security Note
• https://twitter.com/CVEnew/status/2035237252637630703 · Twitter Post
• https://wordfence.com/threat-intel/vulnerabilities/id/b8c89d80-0ae5-4849-b739-0881fec188bf?source=cve · Note
• https://plugins.trac.wordpress.org/browser/schema-shortcode/trunk/schema-shortcode.php#L41 · Note