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 #2,974 among WordPress.org plugins with 5,000+ active installations, is #114 of 1,578 in the Authentication category, a 5/5 rating from 20 reviews, and was last updated Sep 2, 2026. Data from WordPress.org, refreshed twice daily — see methodology.

Compatible with WP 7.1

v3.15.3 Current Version v3.15.3

Updated 1 week ago Last Update on 02 Sep, 2026

Refreshed 6 hours ago Last Refreshed on

#114 of 1,578 in Authentication Top 5% by installs Downloads -71.1% this week Actively maintained

View on WordPress.org

Rank

#2,974

— No change

Active Installs

5K+

-13.1%

KW Avg Position

39.2

— No change

Downloads

182.1K

+137 today

Support Resolved

33%

— No change

Rating

100%

Review 5 out of 5

5 (20 reviews)

Next Milestone 6K

Total Progress 98.5%

5K+ 6K+

Ranks to Climb

Growth Needed

8,000,000

Active Installs

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Rank Changes

Current #2,974

Change

Best #

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Active Installs Growth

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Active Installs 0,000,000+

Growth +0.0%

Peak 0,000,000

Downloads Growth

Downloads

Growth

Peak

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Reviews & Ratings

5.0

20 reviews

Overall 100%

20 (100%)

0 (0%)

Support Threads Overview

Resolved

Unresolved

Total Threads

Resolved

Unresolved

33%

Resolution Rate

Security History

Source: WPVulnerability

2 known vulnerabilities on record · 0 in the last 24 months · checked 2 days 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

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Plugin Details

Version: 3.15.3
Last Updated: Sep 02, 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: 3
Resolved: 33%

Keywords

authentication cas ldap login oauth

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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.