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    CVE-2021-4343

    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.

    Published:Jun 7, 2023
    Last Modified:Apr 8, 2026
    EPS:Jun 7, 2023
    EPSS Score:0.00679
    CVSS Score:9.8

    Affected Products

    Vendor
    Stylemixthemes
    Product
    Ulisting

    Exploits

    https://blog.nintechnet.com/wordpress-ulisting-plugin-fixed-multiple-critical-vulnerabilities/https://blog.nintechnet.com/wordpress-ulisting-plugin-fixed-multiple-critical-vulnerabilities/

    Common Weakness Enumeration

    CWE-862 Missing Authorization

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-665 Exploitation of Thunderbolt Protection Flaws

    Related CVEs

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    CVE-2026-28078 (CVSS 4.9) — Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') vulnerability in Stylemix uList…
    CVE-2026-28138 (CVSS 7.2) — Deserialization of Untrusted Data vulnerability in Stylemix uListing ulisting allows Object Injection.This iss…
    CVE-2025-1653 (CVSS 8.8) — The Directory Listings WordPress plugin – uListing plugin for WordPress is vulnerable to Privilege Escalation …
    CVE-2025-1657 (CVSS 8.8) — The Directory Listings WordPress plugin – uListing plugin for WordPress is vulnerable to unauthorized modifica…
    CVE-2025-25151 (CVSS 8.5) — Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') vulnerability in Stylemix…
    CVE-2024-47344 (CVSS 5.3) — Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Stylemix uListing ulisting.This is…
    CVE-2021-4381 (CVSS 9.8) — The uListing plugin for WordPress is vulnerable to authorization bypass via wp_route due to missing capability…
    CVE-2021-4370 (CVSS 9.8) — The uListing plugin for WordPress is vulnerable to authorization bypass as most actions and endpoints are acce…

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High