CVE-2026-1559

Summary

The Youzify plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'checkin_place_id' parameter in all versions up to, and including, 1.3.6 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with Subscriber-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

Affected Software

Weaknesses

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

ADP Enrichment

CISA ADP Vulnrichment

• SSVC:
• Exploitation: none
  • Automatable: no
  • Technical Impact: partial

References

• https://www.wordfence.com/threat-intel/vulnerabilities/id/6bd69711-8303-4086-87c3-eb2935a89aff?source=cve
• https://plugins.trac.wordpress.org/browser/youzify/trunk/includes/public/core/wall/class-youzify-form.php#L506
• https://plugins.trac.wordpress.org/browser/youzify/tags/1.3.6/includes/public/core/wall/class-youzify-form.php#L506
• https://plugins.trac.wordpress.org/browser/youzify/trunk/includes/public/core/class-youzify-wall.php#L109
• https://plugins.trac.wordpress.org/browser/youzify/tags/1.3.6/includes/public/core/class-youzify-wall.php#L109
• https://plugins.trac.wordpress.org/changeset/3483281/youzify/trunk/includes/public/core/wall/class-youzify-form.php
• https://plugins.trac.wordpress.org/changeset?old_path=%2Fyouzify/tags/1.3.6&new_path=%2Fyouzify/tags/1.3.7

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