CVE-2021-4341 - CVE House

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Status published Critical CVE-2021-4341

uListing <= 1.6.6 - Unauthenticated Wordpress Options Changes via AJAX

9.8 CVSS

Vulnerability Description

The uListing plugin for WordPress is vulnerable to authorization bypass via Ajax due to missing capability checks, missing input validation, and a missing security nonce in the stm_update_email_data AJAX action in versions up to, and including, 1.6.6. This makes it possible for unauthenticated attackers to change any WordPress option in the database.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

Jerome Bruandet

References

More from stylemix

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Motors – Car Dealership & Classified Listings Plugin <= 1.4.66 - Missing Authorization to Authenticated (Subscriber+) Wizard Set-up

Motors – Car Dealership & Classified Listings Plugin <= 1.4.63 - Authenticated (Subscriber+) Stored Cross-Site Scripting

Motors – Car Dealership & Classified Listings Plugin <= 1.4.64 - Missing Authorization to Authenticated (Subscriber+) Arbitrary Plugin Installation

Cost Calculator Builder <= 3.2.67 - Authenticated (Subscriber+) SQL Injection via order_ids Parameter

Affected Vendor

stylemix

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Affected Software

Directory Listings WordPress plugin – uListing

Vulnerable Versions:

0

Timeline

Official Publish: June 7th, 2023

Last Modified: April 8th, 2026

Added to House: July 21st, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weaknesses (CWE)

MITRE ATT&CK TTPs

T1190 Exploit Public-Facing Application

T1068 Exploitation for Privilege Escalation

Privilege Escalation

T1078 Valid Accounts

T1531 Account Access Removal