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CMB2

v2.13.5

by Justin Sternberg · updated 12 days ago

CMB2 is a metabox, custom fields, and forms library for WordPress that will blow your mind.

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WordPress.org SaveAnalyze reviews Track this plugin
Rank
#192
No change0 vs yesterday
Active installs (est.)
≈ 330,000
300K+ reported · Low
Total downloads
5.7M
5,738,979 all-time
Rating
5.0/5
91 reviews
Support resolved
–
0 of 0 threads, last 2 months
Growing·Downloads +30% (30d)·Toward 400K+ · ETA ~22d

CMB2 at a glance

CMB2 is a WordPress plugin by Justin Sternberg with 300K+ active installs, the #192 most popular plugin on WordPress.org. On a typical day it’s downloaded about 2,968 times, 30% more than the month before. It’s rated 5.0 out of 5 from 91 reviews. Version 2.13.5 came out on Oct 27, 2026 and is tested up to WordPress 7.1.4. Among the 86 plugins tagged “fields”, it ranks #2. It was first released in 2014.

Chart time range

Applies to every chart below. History from Oct 9, 2026, 31 days.

Showing the last 30 days. Full history comes with any paid plan.See plans

Downloads over time

Download stats

188.6K downloads · the last 30 days

Downloads over time
CMB2 Compare series
Downloads over time: 27 days across 1 series.020K40KOct 9Oct 13Oct 18Oct 22Oct 26Oct 31Nov 4Oct 29, 2026: Tested up to 7.1.4
View as table
DateCMB2
Nov 4, 20262,753
Nov 3, 20263,183
Nov 2, 20263,418
Nov 1, 20262,277
Oct 31, 20262,640
Oct 30, 20264,131
Oct 29, 20268,520
Oct 28, 202620,747
Oct 27, 202643,074
Oct 26, 20262,499
Oct 25, 20261,480
Oct 24, 20261,803
Oct 23, 20262,643
Oct 22, 20263,807
Oct 21, 20263,110
Oct 20, 20262,537
Oct 19, 20262,716
Oct 18, 20261,708
Oct 17, 20261,765
Oct 16, 20262,517
Oct 15, 20262,769
Oct 14, 20263,098
Oct 13, 20263,653
Oct 12, 20264,248
Oct 11, 20262,775
Oct 10, 20269,958
Oct 9, 202644,786

Unusual spikes are usually updates, not new installs.

Estimated installs

≈ 328,605 · +0.8% in the last 30 days

Estimated installs
Estimated installs: 12 days across 1 series.326K328KOct 27Oct 29Oct 31Nov 2Nov 4Nov 8Oct 29, 2026: Tested up to 7.1.4
View as table
DateEstimated installs
Nov 8, 2026328,605
Nov 7, 2026327,456
Nov 5, 2026327,334
Nov 4, 2026327,250
Nov 3, 2026325,058
Nov 2, 2026324,997
Nov 1, 2026325,614
Oct 31, 2026326,421
Oct 30, 2026325,218
Oct 29, 2026327,067
Oct 28, 2026326,684
Oct 27, 2026325,971

Rank over time

#192 · down 1 in the last 30 days

Popular rank
Popular rank: 16 days across 1 series.#191#191.5#192Oct 16Oct 19Oct 27Oct 31Nov 4Nov 8Oct 29, 2026: Tested up to 7.1.4
View as table
DateDaily snapshot
Nov 8, 2026#192
Nov 7, 2026#192
Nov 6, 2026#192
Nov 5, 2026#192
Nov 4, 2026#192
Nov 3, 2026#192
Nov 2, 2026#192
Nov 1, 2026#192
Oct 31, 2026#192
Oct 30, 2026#192
Oct 29, 2026#192
Oct 28, 2026#192
Oct 27, 2026#192
Oct 21, 2026#191
Oct 19, 2026#191
Oct 16, 2026#191

Growth %

Average +0.07% a day in the last 30 days

Growth %, day over day
Growth %, day over day: 11 days across 1 series.-0.5%0%0.5%Oct 28Oct 30Nov 1Nov 4Nov 8
View as table
DateGrowth
Nov 8, 2026+0.35%
Nov 7, 2026+0.02%
Nov 5, 2026+0.03%
Nov 4, 2026+0.67%
Nov 3, 2026+0.02%
Nov 2, 2026-0.19%
Nov 1, 2026-0.25%
Oct 31, 2026+0.37%
Oct 30, 2026-0.56%
Oct 29, 2026+0.12%
Oct 28, 2026+0.22%

Active installs band

300K+ on WordPress.org

Active installs (rounded band)
Active installs (rounded band): 16 days across 1 series.290K300K310KOct 16Oct 19Oct 27Oct 31Nov 4Nov 8Oct 29, 2026: Tested up to 7.1.4
View as table
DateDaily snapshot
Nov 8, 2026300K+
Nov 7, 2026300K+
Nov 6, 2026300K+
Nov 5, 2026300K+
Nov 4, 2026300K+
Nov 3, 2026300K+
Nov 2, 2026300K+
Nov 1, 2026300K+
Oct 31, 2026300K+
Oct 30, 2026300K+
Oct 29, 2026300K+
Oct 28, 2026300K+
Oct 27, 2026300K+
Oct 21, 2026300K+
Oct 19, 2026300K+
Oct 16, 2026300K+

Search rankings

Where it appears in WordPress.org search for the searches you track, checked every day.

See where CMB2 ranks in search

Track this plugin to check its position for the searches you choose, daily, with an alert when it moves.

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Change log

From our daily snapshot of WordPress.org
  1. Rank #192 → #192
    • Tested up to 7.1.3 → 7.1.4
  2. Rank #191 → #192Downloads +27.4%
    • Released 2.13.5 (was 2.13.4)

Versions in use

Share of active installs on each published version, from WordPress.org.

  • v2.1342%
  • v2.1131%
  • v2.109.7%
  • v2.129.5%
  • Other7.7%

Rating trend

5.0★★★★★91 reviews · steady in the last 30 days

Requirements & info

Version history
Version
2.13.5
Requires WordPress
3.8.0
Tested up to
7.1.4
Requires PHP
7.4
First released
Sep 16, 2014
Last updated
Oct 27, 2026
Releases, last 12 months
…

Questions about CMB2

How many websites use CMB2?

CMB2 is active on 300K+ WordPress sites, as WordPress.org reports it. WordPress.org rounds the number down, so the real count is somewhat higher. That makes it the #192 most popular plugin on WordPress.org.

How many times has CMB2 been downloaded?

5,738,979 times in total since 2014. On a typical day it’s downloaded about 2,968 times. See download stats

When was CMB2 last updated?

Version 2.13.5 came out on Oct 27, 2026 (1 week ago). See every release

Is CMB2 compatible with the latest WordPress?

Yes. It’s tested up to WordPress 7.1.4, the current version.

Does CMB2 have known security vulnerabilities?

None that affect the current version. WPVulnerability’s database lists 6 older issues, fixed in earlier versions, so keep CMB2 up to date. See its security record

Is CMB2 still maintained?

Yes. Its last release was 1 week ago. No support threads were opened in the last two months.

What rating does CMB2 have?

5.0 out of 5 from 91 reviews on WordPress.org. 99% of them give 5 stars.

What are the best alternatives to CMB2?

The plugins most like CMB2, by the tags they share, are WPForms (5M+), Advanced Custom Fields (ACF®) (2M+) and Fluent Forms (800K+). Compare all alternatives

Latest reviews

Analyze reviews
All reviews on WordPress.org

Review stats

5.0

★★★★★

91 reviews

  • 5 stars: 90 reviews, 99%
  • 4 stars: 0 reviews, 0%
  • 3 stars: 0 reviews, 0%
  • 2 stars: 0 reviews, 0%
  • 1 stars: 1 reviews, 1%
Positive
99%4–5★
Mixed
0%3★
Critical
1%1–2★
  • Each new 1★ review takes 90 five-star reviews to balance out.

Compare with competitors

Add up to 1 competitor. No account needed.

Starter · 1 competitor
CMB2
Suggested:
Metric
CMB2
Estimated installs≈ 330,000
Reported installs300K+
Rating5.0
Reviews91
Total downloads5.7M
AuthorJustin Sternberg
First releasedSep 16, 2014
Version2.13.5
Requires WP3.8.0
Requires PHP7.4
Last updatedOct 27, 2026

Alternatives to CMB2

Compare all alternatives

Popular plugins with the same tags, the most in common first.

Side by side:CMB2 vs WPFormsCMB2 vs Advanced Custom Fields (ACF®)CMB2 vs Fluent Forms

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