Captcha Vulnerabilities
The Captcha WordPress plugin has 3 known security vulnerabilities, including 1 critical. The most recent was disclosed on December 19, 2017. Check whether your site runs an affected version below.
View Captcha on WordPress.orgSummary
Latest vulnerability disclosed on December 19, 2017.
Recommendation
WPSentry recommends extreme caution
Only run Captcha if it is updated to the latest patched release. This plugin has a history of 1 critical, potentially exploitable vulnerability. If you already use it, update immediately — or consider a safer alternative.
Is your site affected?
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Known Captcha vulnerabilities
- critical
Captcha 4.3.6 - 4.4.4 - Plugin Backdoor
Affected versions: <=4.4.4Disclosed December 19, 2017 - medium
Captcha < 4.3.0 - Reflected Cross-Site Scripting
Affected versions: <4.3.0Disclosed April 12, 2017 - medium
Captcha <= 3.8.1 - Captcha Bypass
Affected versions: <=3.8.1Disclosed August 1, 2014
How to stay protected
Update promptly
Keep Captcha on its latest release — most vulnerabilities are fixed in newer versions.
Scan regularly
Run an external scan after every update to catch outdated or vulnerable software early.
Monitor continuously
Enable monitoring to get alerted the moment a new issue affects your stack.