Flexmls® IDX Plugin

How well this listing is tuned to rank in WordPress.org search, on the factors an owner controls. Not popularity, optimization.

Directory rank vs rivals

wp.org popularity rank over time · higher is better · when a rival's line climbs above yours, they've overtaken you

How often this plugin actually ships. A steady rhythm is the maintenance signal a single "last updated" date can't show.

Share of active installs on each version of this plugin. Green is the current release; a big slice on older versions is a user base that has stopped updating.

Refined from the date this plugin crossed into its current band.

No paid tier is visible, so we don't put a figure on revenue or sale value: that would be guessing. The install base is a real asset to an acquirer, just not one public data lets us price. A small install base leaves thin data to model from. The recent download trend is too spiky to read.

8 of the last 12 four- and five-star reviews came from accounts created within a month of posting the review.

Registering a wp.org account just to leave a review is common and often entirely legitimate. The share here is unusually high for the sample, so it's worth keeping in mind while reading the reviews.

1. ★★★★★ James Seals

   9mo ago

   This plugin is pretty amazing. It was very easy to install and get setup. Their support department was extremely helpful and responds within a timely manner.

   Read on wp.org ↗
2. ★★★★★ dghpame

   12mo ago

   This is a great plugin to get MLS listings to show up on my website. It’s easy to customize the type of listings you want and works seamlessly with FlexMLS (because they also operate the MLS, at least in my association). It’s also very web designer friendly to customize the CSS to make it unique to your website style. The support staff is also five star. They’ve always responded to my questions on the same day I emailed them (sometimes within an hour or two). Since this plugin works hand-in-hand with the MLS system my association uses, there’s no middleman or API issues at all. Highly recommend this plugin to any agent or brokerage looking to improve their website with MLS listings showing up right on their page and convert leads.

   Read on wp.org ↗
3. ★★★★★ slamdot

   1.0y ago

   We’ve used the Flexmls IDX plugin on multiple sites over the years, and has always been easy for our team to work with, and our customers to use, as well. They also have great support when we need it!

   Read on wp.org ↗
4. ★★★★★ meeziepeezie

   2.0y ago

   I have worked with Flex IDX and WordPress plugin since it was ‘rolled out’. Just like anything new and growing there are always fixes and enhancements to be made. I have currently used the product on multiple websites over the years. I love the ease of use of the plugin and it looks awesome on all devices! My clients love the plugin: the professional, clean look and how it makes it very user friendly for their clients to search properties and save the favorites as well. I have on occasion contacted tech support and they are very knowledgeable, quick to respond and friendly! Great job on this outstanding plugin!

   Read on wp.org ↗
5. ★★★★★ strid3r

   5.3y ago

   This is the worst IDX plugin I have used so far in my experience. Riddled with compatibility issues and script issues. Lots of backwards methods going on here.

   Read on wp.org ↗
6. ★★★★★ huckage42

   7.4y ago

   Thanks to Brady for walking me through the process and getting this up and running. It works very well and the developer supports their product. What more could you possibly want?

   Read on wp.org ↗
7. ★★★★★ micahgaudio

   7.5y ago

   This plug-in doesn’t work with the number 1 selling WordPress Theme Avada. Some style elements a copied which is nice but for the most part this looks worse than just simple frame-ins. Can’t customize to 100% width. This looks horrible but I guess we are stuck with using it in this association

   Read on wp.org ↗
8. ★★★★★ terraine

   8.9y ago

   I had some issues with the plugin, so I called support. Matt Flatin took care of the issue in about 10 seconds. Great customer support.

   Read on wp.org ↗

6 disclosed vulnerabilities on record for this plugin, all fixed in the current version. Sites on older versions stay exposed until they update.

1. Medium · 6.1 Flexmls® IDX Plugin <= 3.15.9 - Reflected Cross-Site Scripting ↗
   2026-03-16 CVE-2026-25369 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') Affects <= 3.15.9 Patched in 3.15.10
2. Low · 3.4 Flexmls® IDX <= 3.15.7 - Unauthenticated Open Redirect ↗
   2025-11-29 CVE-2025-67585 URL Redirection to Untrusted Site ('Open Redirect') Affects <= 3.15.7 Patched in 3.15.8
3. Medium · 6.4 Flexmls® IDX <= 3.14.27 - Authenticated (Contributor+) Stored Cross-Site Scripting ↗
   2025-03-06 CVE-2025-0863 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') Affects <= 3.14.28 Patched in 3.14.29
4. Critical · 9.8 Flexmls® IDX <= 3.14.27 - Unauthenticated PHP Object Injection ↗
   2025-02-22 CVE-2025-26900 Deserialization of Untrusted Data Affects <= 3.14.27 Patched in 3.14.28
5. Medium · 6.4 Flexmls® IDX Plugin <= 3.14.26 - Authenticated (Contributor+) Stored Cross-Site Scripting via API parameters ↗
   2025-01-24 CVE-2024-10552 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') Affects <= 3.14.26 Patched in 3.14.27
6. Medium · 6.1 Flexmls® IDX Plugin <= 3.14.22 - Reflected Cross-Site Scripting ↗
   2024-10-16 CVE-2024-8719 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') Affects <= 3.14.22 Patched in 3.14.23

Automated install-time checks, tested on PHP 8.1.12 · WP 7.0.1

Growth timeline

Install-tier crossings we have observed, and how long each tier took to outgrow

1. 2024-11-29 2K+ → 1K+ down

Competes with

The plugins that solve the same job, ranked by shared tags then reach, closest match first. The letter on the right is each plugin's health grade (A best, F worst).

• I IDXPro 10+ installs · 3.6★ · 2 shared tags D
• Estatik Real Estate Plugin 10K+ installs · 4.5★ · 1 shared tag B
• IMPress for IDX Broker 7K+ installs · 3.3★ · 1 shared tag B
• MLSImport: IDX Plugin & MLS Plugin for Real Estate Listings 5K+ installs · 4.0★ · 1 shared tag B
• Showcase IDX Real Estate Search & Lead Capture 2K+ installs · 3.8★ · 1 shared tag B
• Realtyna Organic IDX plugin + WPL Real Estate 2K+ installs · 4.6★ · 1 shared tag A

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Drop a live Pulse card for Flexmls® IDX Plugin into a readme, a review or a deck. It updates itself.

Flexmls® IDX Plugin: 1K+ active installs, 3.5★ (22 reviews). Plugin Pulse (WP Mayor), as of 2026-08-29. https://plugins.wpmayor.com/plugin/flexmls-idx