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Description

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.

PUBLISHED Reserved 2026-01-28 | Published 2026-04-18 | Updated 2026-04-20 | 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

2026-04-17:Disclosed

Credits

Tharadol Suksamran finder

References

www.wordfence.com/...-8303-4086-87c3-eb2935a89aff?source=cve

plugins.trac.wordpress.org/...re/wall/class-youzify-form.php

plugins.trac.wordpress.org/...re/wall/class-youzify-form.php

plugins.trac.wordpress.org/...ic/core/class-youzify-wall.php

plugins.trac.wordpress.org/...ic/core/class-youzify-wall.php

plugins.trac.wordpress.org/...re/wall/class-youzify-form.php

plugins.trac.wordpress.org/...new_path=%2Fyouzify/tags/1.3.7

cve.org (CVE-2026-1559)

nvd.nist.gov (CVE-2026-1559)

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