Title: Captcha
Author: Simplywordpress
Published: <strong>27. 4. 2011</strong>
Last modified: 13. 12. 2017

---

Prohledat pluginy

![](https://s.w.org/plugins/geopattern-icon/captcha_92b6c9.svg)

# captcha

 * [Podrobnosti](https://cs.wordpress.org/plugins/captcha/#description)
 * [Hodnocení](https://cs.wordpress.org/plugins/captcha/#reviews)
 * [Vývojáři](https://cs.wordpress.org/plugins/captcha/#developers)

 [Podpora](https://wordpress.org/support/plugin/captcha/)

## Popis

Tento plugin byl uzavřen, a je od 22. 12. 2017 nedostupný. Není již k dispozici 
ke stažení. Toto uzavření je trvalé. Důvod: Bezpečnostní issue .

## Recenze

![](https://secure.gravatar.com/avatar/c004b7314b17bb4eafd044a6ad409ffe00abe7fab636815902e2f283fce2b678?
s=60&d=retro&r=g)

### 󠀁[Works Great](https://wordpress.org/support/topic/works-great-5951/)󠁿

 [ilanaguttman](https://profiles.wordpress.org/ilanaguttman/) 8. 7. 2019

Works as promised, no bugs. I like the arithmetic option!

![](https://secure.gravatar.com/avatar/216e4aa47ce9fe14013bd58ef4adbf344effa015e9e6a22a28bac88a9d52e30a?
s=60&d=retro&r=g)

### 󠀁[great](https://wordpress.org/support/topic/great-9509/)󠁿

 [rhcanaly](https://profiles.wordpress.org/rhcanaly/) 2. 4. 2019

buenísimo

![](https://secure.gravatar.com/avatar/56dab6cc30df567f9d3b1763e528c839cc0d7f39edf6ffb48a4fbd6e92a85891?
s=60&d=retro&r=g)

### 󠀁[Great plugin, but it may have serious security issues](https://wordpress.org/support/topic/excellent-plugin-3577/)󠁿

 [ronaldreis3000](https://profiles.wordpress.org/ronaldreis3000/) 21. 5. 2018

Great plugin, but unfortunately it had a backdoor for an attacker accordingly to
the link https://www.wordfence.com/blog/2017/12/backdoor-captcha-plugin/. For this
reason, the plugin was marked as „This plugin has been closed for new installs“.
The cited site says that the backdoor is present in all versions bellow of 4.4.5
version. Anyway, the cited site recommends the uninstalling of this plugin.

![](https://secure.gravatar.com/avatar/bb97f2db5333277c2fd0cdab8e89474c0f9ee18a93fd01d3cb800d8661c17e13?
s=60&d=retro&r=g)

### 󠀁[Love it](https://wordpress.org/support/topic/love-it-2125/)󠁿

 [erik777](https://profiles.wordpress.org/erik777/) 19. 4. 2018

If you can do basic math, you can log in or register. Eliminated bot registration.

![](https://secure.gravatar.com/avatar/732377c82f457627f2727eb8a21c6e9eafb9356e10fce005155f2e88afc2b281?
s=60&d=retro&r=g)

### 󠀁[The best plugin](https://wordpress.org/support/topic/the-best-plugin-140/)󠁿

 [dirkmartens1965](https://profiles.wordpress.org/dirkmartens1965/) 27. 3. 2018

For me this is a great plugin to protect my site against hackers and intruders

![](https://secure.gravatar.com/avatar/df28daf53b780dcb1bae0174248351bab88a1e0669cec10871658b9801fc6585?
s=60&d=retro&r=g)

### 󠀁[good plugin](https://wordpress.org/support/topic/good-plugin-2685/)󠁿

 [Sobhan Askari](https://profiles.wordpress.org/sobhanaskari/) 15. 2. 2018

it`s a best plugin for captcha

 [ Přečtěte si všech 536 recenzí ](https://wordpress.org/support/plugin/captcha/reviews/)

## Autoři

Captcha je otevřený software. Následující lidé přispěli k vývoji tohoto pluginu.

Spolupracovníci

 *   [ Simplywordpress ](https://profiles.wordpress.org/wpdevmgr2678/)

Plugin „Captcha“ byl přeložen do 4 jazyků. Děkujeme všem [překladatelům](https://translate.wordpress.org/projects/wp-plugins/captcha/contributors)
za jejich pomoc.

[Přeložte “Captcha” do svého jazyka.](https://translate.wordpress.org/projects/wp-plugins/captcha)

### Zajímá vás vývoj?

[Prohledejte kód](https://plugins.trac.wordpress.org/browser/captcha/), podívejte
se do [SVN repozitáře](https://plugins.svn.wordpress.org/captcha/), nebo se přihlaste
k[ odběru protokolu vývoje](https://plugins.trac.wordpress.org/log/captcha/) pomocí
[RSS](https://plugins.trac.wordpress.org/log/captcha/?limit=100&mode=stop_on_copy&format=rss).

## Meta

 *  Verze **4.4.5**
 *  Poslední aktualizace **před 8 roky**
 *  Aktivních instalací **N/A**
 *  Verze WordPressu ** 3.9 nebo novější **
 *  Testováno až do WordPressu **4.9.29**
 *  Jazyky
 * [Czech](https://cs.wordpress.org/plugins/captcha/), [English (US)](https://wordpress.org/plugins/captcha/),
   [Romanian](https://ro.wordpress.org/plugins/captcha/), [Russian](https://ru.wordpress.org/plugins/captcha/)
   a [Ukrainian](https://uk.wordpress.org/plugins/captcha/).
 *  [Přeložte do vašeho jazyka](https://translate.wordpress.org/projects/wp-plugins/captcha)
 *  [Podrobnosti](https://cs.wordpress.org/plugins/captcha/advanced/)