WordPress plugin
Flexible Captcha security & vulnerabilities
Unpatched vulnerability in the latest version
At least one vulnerability affects the latest version and no fix has been released. Deactivate the plugin or restrict access to the affected feature until the vendor ships a patch.
- Critical0
- High0
- Medium1
- Low0
All Flexible Captcha vulnerabilities
| Severity | Vulnerability | CVE | Published |
|---|---|---|---|
| Medium6.4 | Authenticated (Contributor+) Stored Cross-Site Scripting via Shortcode ≤4.1No patch available | CVE-2023-0147 |
- Medium6.4Authenticated (Contributor+) Stored Cross-Site Scripting via Shortcode
≤4.1No patch available
Flexible Captcha: common questions
Does Flexible Captcha have known vulnerabilities?
Yes. VulnCrest Radar lists 1 known vulnerability in Flexible Captcha: 1 medium. At least one is not fixed in the latest version.
How do I check which version of Flexible 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 Flexible Captcha vulnerability?
CVE-2023-0147, published Jan 11, 2023: Flexible Captcha <= 4.1 - Authenticated (Contributor+) Stored Cross-Site Scripting via Shortcode. Severity: Medium (CVSS 6.4).
Is any Flexible Captcha vulnerability listed in CISA KEV?
No. None of the known Flexible Captcha vulnerabilities is currently listed in the CISA KEV catalog.