User meta shortcodes <= 0.5 - Improper Access Control

Improper Access Control
CVE CVE-2021-24859
CVSS 4.3 (Medium)
Publicly Published November 15, 2021
Last Updated December 5, 2022
Researcher Francesco Carlucci


The User Meta Shortcodes WordPress plugin through 0.5 registers a shortcode that allows any user with a role as low as contributor to access other users metadata by specifying the user login as a parameter. This makes the WP instance vulnerable to data extrafiltration, including password hashes



1 affected software package

Software Type Plugin
Software Slug user-meta-shortcodes
Patched? No
Remediation No known patch available. Please review the vulnerability's details in depth and employ mitigations based on your organization's risk tolerance. It may be best to uninstall the affected software and find a replacement.
Affected Version
  • <= 0.5

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