What is CVE-2026-103347?

CVE-2026-103347 is a medium-severity vulnerability in Hcaptcha For Wp, classified under Authentication Bypass by Spoofing. CVSS score: 5.3/10. Published 2026-10-01.

How severe is CVE-2026-103347?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Vulnerability in Hcaptcha For Wp

CVE-2026-103347

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

Published 2026-10-01 · last modified 2026-10-01.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

Hcaptcha For Wp

Weakness classification (CWE)

CWE-290 — Authentication Bypass by Spoofing

References

patchstack.com/database/wordpress/plugin/hcaptcha-for-forms-and-more/vulnerabil… (vdb-entry)

Frequently asked questions

What is CVE-2026-103347?: CVE-2026-103347 is a medium-severity vulnerability in Hcaptcha For Wp, classified under Authentication Bypass by Spoofing. CVSS score: 5.3/10. Published 2026-10-01.
How severe is CVE-2026-103347?: Medium severity. CVSS v3 base score is 5.3 out of 10.