CVE-2021-36880 HIGH

CVE-2021-36880: WordPress uListing plugin <= 2.0.3 - Unauthenticated SQL Injection (SQLi) vulnerability

Vendor Stylemixthemes
Product uListing (WordPress plugin)
Weakness CWE-89 · SQLi
Published September 27, 2021
Last update April 28, 2026
View on NVD All CVEs

CVSS base score

8.6/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality Low
Integrity High

CVSS vector

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

What the vulnerability does

01Description

Unauthenticated SQL Injection (SQLi) vulnerability in WordPress uListing plugin (versions <= 2.0.3), vulnerable parameter: custom.

Explanation of Vulnerability in Simple Terms

02Summary

The uListing WordPress plugin version 2.0.3 and earlier contains a SQL injection vulnerability in its database queries. An attacker can inject malicious SQL code through user input to read, modify, or delete data from the site's database. No authentication or user interaction is required to exploit this vulnerability.

What an attacker can do

03Attacker Capabilities

Read, modify, or delete data from the site's database without authentication.

Potential impact on your site

04Site Impact

Attackers can steal user data, modify listings, or corrupt the database without logging in.

Conditions required to exploit

05Prerequisites

Network access to the site; no authentication or user interaction required.

Key dates

06Disclosure timeline

September 27, 2021 CVE published
April 28, 2026 Record updated