CVE-2021-4343

CRITICAL 9.8

uListing <= 1.6.6 - Unauthenticated Arbitrary Account Creation

CVSS Score

9.8

EPSS Score

0.0%

EPSS Percentile

0th

The Unauthenticated Account Creation plugin for WordPress is vulnerable to Unauthenticated Account Creation in versions up to, and including, 1.6.6. This is due to the stm_listing_register AJAX action function being accessible and taking roles unprotected. This makes it possible for unauthenticated attackers to create accounts, even those with administrator privileges.

CWE	CWE-862
Vendor	stylemix
Product	directory listings wordpress plugin – ulisting
Published	Jun 7, 2023
Last Updated	Apr 8, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

Integrity

Availability

Affected Versions

stylemix / Directory Listings WordPress plugin – uListing

0 < 1.7

References

NVD ↗ CVE.org ↗ EPSS Data ↗

wordfence.com: https://www.wordfence.com/threat-intel/vulnerabilities/id/1c6bf45b-b02d-43bb-b682-7f1ae994e1d3?source=cve blog.nintechnet.com: https://blog.nintechnet.com/wordpress-ulisting-plugin-fixed-multiple-critical-vulnerabilities/ plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=2456786%40ulisting&new=2456786%40ulisting&sfp_email=&sfph_mail=

Credits

Jerome Bruandet