What is CVE-2026-100518?

CVE-2026-100518 is a medium-severity vulnerability in Webfactory Advanced Google Recaptcha, classified under Authentication Bypass Using an Alternate Path or Channel. CVSS score: 5.3/10. Published 2026-10-06.

How severe is CVE-2026-100518?

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

Vulnerability in Webfactory Advanced Google Recaptcha

CVE-2026-100518

Unauthenticated Broken Authentication in Advanced Google reCAPTCHA <= 5.40 versions.

Published 2026-10-06 · last modified 2026-10-06.

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

Webfactory Advanced Google Recaptcha

Weakness classification (CWE)

CWE-288 — Authentication Bypass Using an Alternate Path or Channel

References

patchstack.com/database/wordpress/plugin/advanced-google-recaptcha/vulnerabilit… (vdb-entry)

Frequently asked questions

What is CVE-2026-100518?: CVE-2026-100518 is a medium-severity vulnerability in Webfactory Advanced Google Recaptcha, classified under Authentication Bypass Using an Alternate Path or Channel. CVSS score: 5.3/10. Published 2026-10-06.
How severe is CVE-2026-100518?: Medium severity. CVSS v3 base score is 5.3 out of 10.