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Description

The Microtango plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'restkey' parameter of the mt_reservation shortcode in all versions up to, and including, 0.9.29 due to insufficient input sanitization and output escaping. 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 2026-02-03 | Published 2026-02-11 | Updated 2026-02-11 | 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

* (semver)
affected

Timeline

2026-02-10:Disclosed

Credits

Muhammad Yudha - DJ finder

References

www.wordfence.com/...-e834-4f05-8fe9-7db0ab96f67d?source=cve

plugins.trac.wordpress.org/...ango/trunk/microtango-init.php

plugins.trac.wordpress.org/...ags/0.9.29/microtango-init.php

cve.org (CVE-2026-1821)

nvd.nist.gov (CVE-2026-1821)

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