CVE-2026-103347 PUBLISHED

WordPress hCaptcha for WP plugin <= 5.3.0 - Bypass Vulnerability vulnerability

Assigner: Patchstack
Reserved: 30.09.2026 Published: 01.10.2026 Updated: 01.10.2026

Unauthenticated Bypass Vulnerability in hCaptcha for WP <= 5.3.0 versions.

Metrics

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
CVSS Score: 5.3

Product Status

Vendor hcaptcha
Product hCaptcha for WP
Versions Default: unaffected
  • affected from n/a to 5.3.0 (incl.)

Solutions

Update the WordPress hCaptcha for WP plugin to the latest available version (at least 5.4.0).

Credits

  • bamper1 | Patchstack Bug Bounty Program finder

References

Problem Types

  • CWE-290 Authentication Bypass by Spoofing CWE

Impacts

  • CAPEC-151 Identity Spoofing