Known vulnerabilities in hCaptcha for WP

The strongest CAPTCHA. Switch from reCAPTCHA and Turnstile for free. Works with 60+ integrations: Contact Form 7, Elementor, WooCommerce, Divi, etc.

3Reported vulnerabilities

7.3Highest CVSS score

5.2.0Latest version

70,000+Active installs

What to do now

Update hCaptcha for WP to 5.4.0 or later. 3 of these have a fixed version available. Updating resolves them.

Plugin last updated: August 6, 2026 / Tested up to WordPress: 7.1 / View on wordpress.org

Reported vulnerabilities

Ordered by how urgently they need attention — whether a vulnerability is actually being exploited, and how likely exploitation is, rather than CVSS severity alone.

CVE	Severity	Exploit probability next 30 days	Affected versions	Fixed in	Published
CVE-2026-103347	High 7.3	0.2%	5.3.0 and earlier	`5.4.0`	October 1, 2026
CVE-2024-4014	Medium 6.4	0.3%	0 to 4.0.0 (inclusive) 0 to 4.0.0 (inclusive)	`4.0.1`	April 20, 2024
CVE-2026-25315	Medium 5.3	0.3%	4.22.0 and earlier	`4.23.0`	January 26, 2026

Sources: vulnerability records from NVD, exploitation from CISA KEV, exploit probability from EPSS. Affected versions come from CPE ranges or from the reporting CNA.