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Description

The User Admin Simplifier plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 3.0.0. This is due to missing or incorrect nonce validation on the useradminsimplifier_options_page function. This makes it possible for unauthenticated attackers to reset and permanently delete any user's stored menu and admin-bar configuration via a forged request that triggers uas_save_admin_options() and overwrites the useradminsimplifier_options database entry via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.

PUBLISHED Reserved 2026-06-09 | Published 2026-06-19 | Updated 2026-06-19 | Assigner Wordfence




MEDIUM: 4.3CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N

Problem types

CWE-352 Cross-Site Request Forgery (CSRF)

Product status

Default status
unaffected

Any version
affected

Timeline

2026-06-10:Vendor Notified
2026-06-18:Disclosed

Credits

Ryusei Arima finder

References

www.wordfence.com/...-1c4b-45ff-86f6-14640286b5e6?source=cve

plugins.trac.wordpress.org/.../1.0.0/useradminsimplifier.php

plugins.trac.wordpress.org/.../1.0.0/useradminsimplifier.php

plugins.trac.wordpress.org/.../1.0.0/useradminsimplifier.php

plugins.trac.wordpress.org/...mplifier&sfp_email=&sfph_mail=

cve.org (CVE-2026-11775)

nvd.nist.gov (CVE-2026-11775)

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