User Blocker

User Blocker has one disclosed vulnerability in the WordSec catalog, all reported in 2022; it is fixed as of September 2026. Their average CVSS score is 5.9, and the most serious one scores 5.9 out of 10.

The most common weakness is Injection, behind 1 of the records (100%).

The one issue recorded for User Blocker has a vendor fix available, so running the current release closes it.

All of these findings were reported by Kévin Mosbahi (Mika). User Blocker is installed on roughly 3,000 WordPress sites, so each unpatched flaw has a wide blast radius. The current release is tested up to WordPress 6.6.7.

Strategic Overview

Avg CVSSMedium
5.9/ 10
Patch Coverage100%
Open

0

Fixed

1

Get automatic notifications for all User Blocker vulnerabilities before they are exploited.

Highest severity on recordCVSS 5.9CVE-2022-45078

User Blocker <= 1.5.5 - Authenticated (Admin+) CSV Injection

Read the full analysis

Vulnerability Records

1 records
User Blocker banner
Latestv2.2
4.1(83)
82/100
Last Updated
2024-08-09 (2y ago)
Active Installs
3,000+
Downloads
83,301
Requires WP
5.4+
Requires PHP
0+
Tested up to
WP 6.6.7
Created
2015-06-17 (11y ago)

User Blocker plugin provide the ability to admin to block or unblock user accounts quickly and effortlessly. User can be blocked by Roll or username for specific day & time OR date range Or permanently. When someone tries to log in, and if that user blocked then a friendly error message is displayed on the login screen. You can unblock accounts at any time you want. Also admin can view blocked user list and quickly search user and unblock account if require. User Blocker Plugin Features Block user by time (FROM-time to TO-time) for certain week days Block user by date (FROM-date to TO-date) Block user Permanently Unblock user any time Block user by UserName OR by Role Customizable message for each blocked User OR Blocked Role View blocked user list By Time, By Date and Permanently blocked users. Easy to search any blocked user by username/ email / First name to view blocking status and modify or remove blocking Technical Support You have any suggestion with User Blocker plugin or you found a bug, please contact us at support.solwininfotech.com. Permissions: Only administrators are allowed to use this system. People with lower access levels are neither shown the new bulk actions, nor are they allowed to change the status of accounts. Important: Plugin does not deactivate any Admin users.

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