WordPress plugin
Captcha security & vulnerabilities
No known unpatched vulnerabilities in the latest version
All 3 known vulnerabilities are fixed in the latest release. If you run an older version, update to null or newer.
- Critical1
- High0
- Medium2
- Low0
All Captcha vulnerabilities
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Captcha: common questions
Does Captcha have known vulnerabilities?
Yes. VulnCrest Radar lists 3 known vulnerabilities in Captcha: 1 critical, 2 medium. None are known to affect version null.
How do I check which version of Captcha I run?
In wp-admin open Plugins → Installed Plugins; the version is shown under the name. Without admin access, our passive Check my site tool can often read it from public files.
What is the most recent Captcha vulnerability?
cacd31bd-ccc6-49fa-89f1-09f3c5cd9072, published Dec 19, 2017: Captcha 4.3.6 - 4.4.4 - Plugin Backdoor. Severity: Critical (CVSS 9.6).
Is any Captcha vulnerability listed in CISA KEV?
No. None of the known Captcha vulnerabilities is currently listed in the CISA KEV catalog.