B
by jotis 4.7 (15 reviews)

Blue Captcha

Blue Captcha is a powerful and highly customized WordPress plugin that effectively protects your WP blogs from spammers and unwanted persons.

Blue Captcha ranks #9,399 among WordPress.org plugins with 400+ active installations, is #256 of 1,584 in the Authentication category, a 4.7/5 rating from 15 reviews, and was last updated Aug 17, 2026. Data from WordPress.org, refreshed twice daily — see methodology.

Tested up to WP 7 (Current: 7.1)
v2.1.0 Current Version v2.1.0
Updated 1 month ago Last Update on 17 Aug, 2026
Refreshed 8 hours ago Last Refreshed on
#256 of 1,584 in Authentication Top 25% by installs Downloads -35% this week Actively maintained
View on WordPress.org
Rank
#9,399
-9 this week
Active Installs
400+
-20.2%
KW Avg Position
56.7
No change
Downloads
37.2K
+2 today
Support Resolved
0%
No change
Rating
94%
Review 4.7 out of 5
4.7 (15 reviews)

Next Milestone 500

Total Progress 50%
400+ 500+
877
Ranks to Climb
-
Growth Needed
8,000,000
Active Installs
Pro

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Rank Changes

9,381 9,389 9,396 9,404 9,411 10-09-2026 11-09-2026 12-09-2026 13-09-2026 14-09-2026 15-09-2026 16-09-2026 17-09-2026
9,381 9,392 9,402 9,413 9,423 02-09-2026 03-09-2026 04-09-2026 05-09-2026 06-09-2026 07-09-2026 08-09-2026 09-09-2026 10-09-2026 11-09-2026 12-09-2026 13-09-2026 14-09-2026 15-09-2026 16-09-2026 17-09-2026
Current #9,399
Change
Best #

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Active Installs Growth

Active Installs 0,000,000+
Growth +0.0%
Peak 0,000,000

Downloads Growth

0 10 20 10-09-2026 11-09-2026 12-09-2026 13-09-2026 14-09-2026 15-09-2026 16-09-2026 17-09-2026
0 10 20 02-09-2026 03-09-2026 04-09-2026 05-09-2026 06-09-2026 07-09-2026 08-09-2026 09-09-2026 10-09-2026 11-09-2026 12-09-2026 13-09-2026 14-09-2026 15-09-2026 16-09-2026 17-09-2026
Downloads
Growth
Peak

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Reviews & Ratings

4.7
15 reviews
Overall 94%
5
13 (87%)
4
1 (7%)
3
0 (0%)
2
0 (0%)
1
1 (7%)

Security History

Source: WPVulnerability

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

  1. UNPATCHED

    Blue Captcha [blue-captcha] <= 2.0.1 (unfixed)

    CVE-2026-10552 · No fix released

  2. Blue Captcha [blue-captcha] < 2.0.0

    CVE-2025-28880 · Fixed in v2.0.0

TL;DR

AI summary of the plugin's readme

Blue Captcha is for WordPress site owners who want to protect login, registration, comment, and password recovery forms from spam. It solves the problem of spammers, bots, and unwanted users abusing these forms by providing customizable CAPTCHA challenges and logging tools to identify and block offenders.

  • Protects login, registration, comment, recovery forms
  • 7 predefined CAPTCHA difficulty levels
  • Custom difficulty level creation
  • Preview CAPTCHA image before applying
  • 5 fonts and 30 background images
  • Single or double CAPTCHA layer
  • Up to 20 characters on images
  • Log file and Hall of Shame tracking

Frequently Asked Questions

Common questions about Blue Captcha

Blue Captcha has 400+ active installations on the WordPress.org plugin directory.
Blue Captcha holds a 4.7 out of 5 star rating based on 15 user reviews on WordPress.org.
Blue Captcha is developed by jotis and published on the official WordPress.org plugin repository.
Blue Captcha requires WordPress 4.9 or higher, is tested up to WordPress 7 and needs PHP 7.0 or newer.
Blue Captcha has been downloaded 37,237+ times from WordPress.org.
The latest version of Blue Captcha is 2.1.0. It was last updated on August 17, 2026.
Yes. Blue Captcha is a free WordPress plugin available to download and install from the WordPress.org plugin directory.

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