Authorization Bypass in uListing Plugin for WordPress
CVE-2021-4339

7.5HIGH

Key Information:

Vendor

Wordpress
Status
Directory Listings WordPress Plugin – Ulisting
Vendor
CVE Published:
7 June 2023

What is CVE-2021-4339?

The uListing plugin for WordPress has a significant vulnerability that allows unauthorized users to bypass authorization checks. This flaw resides in the 'ulisting/includes/route.php' file specifically affecting the /1/api/ulisting-user/search REST-API route in all versions up to and including 1.6.6. As a result, malicious actors can exploit this vulnerability to access sensitive information, including a comprehensive list of users and their email addresses stored in the database, thereby compromising data privacy and security.

Affected Version(s)

Directory Listings WordPress plugin – uListing * < 1.7

References

https://www.wordfence.com/threat-intel/vulnerabilities/id...
https://blog.nintechnet.com/wordpress-ulisting-plugin-fix...
https://plugins.trac.wordpress.org/changeset?sfp_email=&s...

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
High
Integrity:
None
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Jerome Bruandet
.