hCaptcha for WP vulnerabilities

Plugin slug hcaptcha-for-forms-and-more · 3 known vulnerabilities · latest disclosed 2026-10-01 · WordPress.org page

Every listed vulnerability has a fix. Version 5.4.0 or later is not affected by any of them. If your site runs an older version, update it.

1 of 3 rated high or critical (CVSS 7 or more).

Known vulnerabilities in hCaptcha for WP

SeverityAffected versionsFixed inCVEPublishedDetails
High 7.3<= 5.3.05.4.0CVE-2026-1033472026-10-01Advisory
Medium 5.3<= 4.22.04.23.0CVE-2026-253152026-01-26Advisory
Medium 6.4<= 4.0.04.0.1CVE-2024-40142024-04-19Advisory

Check if a site is affected

Enter a site address to see which version of hCaptcha for WP and other plugins it runs, and whether they match a known vulnerability.

Questions

Is the hCaptcha for WP plugin safe to use?

All 3 known issues are fixed in current versions (5.4.0 or later). Keeping it updated is what matters.

How do I check which version of hCaptcha for WP my site runs?

In WordPress go to Plugins > Installed Plugins. From the outside, the free PluginPeek scan below reads the version from the site's public files.

How do I fix a vulnerable plugin?

Make a full backup, then update it from Dashboard > Updates and check the site afterwards. If you would rather not, we can do it for a fixed $99, paid after you have checked the site.

Check any WordPress site in one click while you browse: Add PluginPeek to Chrome