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Flex SSL

Name: Flex SSL
Author: Flex Plugins

Force HTTPS, update site URLs, and add security headers. Supports reverse proxies, certificate checks, and lock-out recovery.

Flex SSL ranks #21,581 among WordPress.org plugins with 40+ active installations, is #1,324 of 5,058 in the Security category, and was last updated Sep 17, 2026. Data from WordPress.org, refreshed twice daily — see methodology.

Compatible with WP 7.1.4

v1.2.1 Current Version v1.2.1

Updated 1 month ago Last Update on 17 Sep, 2026

Refreshed 1 week ago Last Refreshed on

#1,324 of 5,058 in Security Top 50% by installs

View on WordPress.org

Rank

#21,581

— No change

Active Installs

40+

— No change

KW Avg Position

150

2 worse

Downloads

1.7K

+3 today

Support Resolved

— No change

Rating

Review 0 out of 5

0 (0 reviews)

Next Milestone 50

Total Progress 70%

40+ 50+

1,571

Ranks to Climb

Growth Needed

8,000,000

Active Installs

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Rank Changes

Current #21,581

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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

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Reviews & Ratings

0.0

0 reviews

Overall 0%

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Plugin Details

Version: 1.2.1
Last Updated: Sep 17, 2026
Requires WP: 5.1+
Tested Up To: 7.1.4
PHP Version: 7.0 or higher
Author: Flex Plugins

Support & Rating

Rating: ☆ ☆ ☆ ☆ ☆ 0
Reviews: 0
Support Threads: 0
Resolved: 0%

Keywords

certificate cloudflare https security ssl

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Frequently Asked Questions

Common questions about Flex SSL

Yes. Flex SSL supports reverse proxy configurations including Cloudflare’s Flexible and Full SSL modes by detecting proxy headers. For Flexible SSL, enable “HTTPS is terminated at a proxy” before turning on Force HTTPS.

No. Flex SSL works without wp-config.php changes. If you get locked out, add define( 'FLEX_SSL_DISABLE', true ); to stop all Flex SSL runtime hooks.

Flex SSL does not issue certificates. Use your host panel, Cloudflare, or Let’s Encrypt on the server, then use this plugin to enforce HTTPS and watch expiry.

The plugin checks for a certificate and shows a warning. You can still enable features if HTTPS is terminated at a proxy. Force HTTPS to this origin needs a working certificate. I cannot reach wp-admin after enabling Force HTTPS. Add define( 'FLEX_SSL_DISABLE', true ); to wp-config.php, or run wp flex-ssl disable and wp flex-ssl revert-urls. Fix HTTPS, then remove the constant.