by Paul Ryan 5 (20 reviews)

Authorizer

Name: Authorizer
Rating: 5.0 (20 reviews)
Author: Paul Ryan

Authorizer limits login attempts, restricts access to specific users, and authenticates against external sources (OAuth2, Google, LDAP, or CAS).

Authorizer ranks #2,733 among WordPress.org plugins with 6,000+ active installations, is #107 of 1,659 in the Authentication category, a 5/5 rating from 20 reviews, and was last updated Sep 21, 2026. Data from WordPress.org, refreshed twice daily — see methodology.

Compatible with WP 7.1

v3.16.0 Current Version v3.16.0

Updated 1 month ago Last Update on 21 Sep, 2026

Refreshed 2 days ago Last Refreshed on

#107 of 1,659 in Authentication Top 5% by installs Downloads +6.3% this week

View on WordPress.org

Rank

#2,733

— No change

Active Installs

6K+

-5.1%

KW Avg Position

54.6

0.2 worse

Downloads

182.1K

+23 today

Support Resolved

— No change

Rating

100%

Review 5 out of 5

5 (20 reviews)

Next Milestone 7K

Total Progress 63.7%

6K+ 7K+

193

Ranks to Climb

Growth Needed

8,000,000

Active Installs

Pro

Unlock Exact Install Count

See the precise estimated active installs for this plugin, calculated from real-time ranking data.

Exact install estimates within tiers
Track install growth over time
Milestone progress predictions

Upgrade to Pro

Need 363 more installs to reach 7K+

Rank Changes

Current #2,733

Change

Best #

Upgrade to Pro

Unlock 30-day and 90-day rank history charts with a Pro subscription.

Upgrade Now

Active Installs Growth

Upgrade to Pro

Active Installs 0,000,000+

Growth +0.0%

Peak 0,000,000

Downloads Growth

Downloads

Growth

Peak

Upgrade to Pro

Unlock 30-day, 90-day, and yearly download history charts with a Pro subscription.

Upgrade Now

Reviews & Ratings

5.0

20 reviews

Overall 100%

20 (100%)

0 (0%)

Support Threads Overview

Resolved

Unresolved

Total Threads

Resolved

Unresolved

Resolution Rate

Security History

Source: WPVulnerability

2 known vulnerabilities on record · 0 in the last 24 months · checked 1 month ago

Nov 1, 2022

Authorizer [authorizer] < 1.6.0

CVE-2022-39369 · Fixed in v1.6.0
Nov 1, 2022

Authorizer [authorizer] < 3.15.2

CVE-2026-81294 · Fixed in v3.15.2

Track This Plugin

Get detailed analytics, keyword tracking, and position alerts delivered to your inbox.

Start Tracking Free

Plugin Details

Version: 3.16.0
Last Updated: Sep 21, 2026
Requires WP: 5.9+
Tested Up To: 7.1
PHP Version: 8.1 or higher
Author: Paul Ryan

Support & Rating

Rating: ★ ★ ★ ★ ★ 5
Reviews: 20
Support Threads: 1
Resolved: 0%

Keywords

authentication cas ldap login oauth

Upgrade to Pro

Unlock keyword rankings, search positions, and detailed analytics with a Pro subscription.

Upgrade Now

Similar Plugins

Adminify – White Label, Admin Menu Editor, Login Customizer

6K+ installs

#2,757

Master Addons for Elementor – Elementor Addons, Widgets, Mega Menu Builder, Popup Builder, Widget Builder & Template Kits

30K+ installs

#1,015

WPForms – AI Form Builder for WordPress – Contact Forms, Payment Forms, Survey Form, Quiz & More

5M+ installs

Wordfence Security – Firewall, Malware Scan, and Login Security

Limit Login Attempts Security - Login Security, 2FA, Firewall, Brute Force Prevention

All-In-One Security (AIOS) – Security and Firewall

MainWP Child – Securely Connects to the MainWP Dashboard to Manage Multiple Sites

700K+ installs

#86

View all Authentication plugins

TL;DR

AI summary of the plugin's readme

Authorizer is for WordPress site administrators, such as universities restricting access to enrolled students. It solves the problem of limiting login attempts and restricting site access to approved users by authenticating against external sources like Google, CAS, LDAP, or OAuth2.