Mass Delete Unused Tags <= 2.0.0 - Cross-Site Request Forgery via plugin_mass_delete_unused_tags_init

Cross-Site Request Forgery (CSRF)
CVE CVE-2023-27430
CVSS 5.4 (Medium)
Publicly Published March 10, 2023
Last Updated March 15, 2023
Researcher Mika


The Mass Delete Unused Tags plugin for WordPress is vulnerable to Cross-Site Request Forgery in versions up to, and including, 2.0.0. This is due to missing or incorrect nonce validation on the 'plugin_mass_delete_unused_tags_init' function. This makes it possible for unauthenticated attackers to mass delete tags on the site granted they can trick a site administrator into performing an action such as clicking on a link.



1 affected software package

Software Type Plugin
Software Slug mass-delete-unused-tags (view on
Patched? Yes
Remediation Update to version 3.0.0, or a newer patched version
Affected Version
  • <= 2.0.0
Patched Version
  • 3.0.0

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