What is CVE-2026-5411?

CVE-2026-5411 is a high-severity vulnerability in Webfactory Advanced Google Recaptcha, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 8.8/10. Published 2026-06-05.

How severe is CVE-2026-5411?

High severity. CVSS v3 base score is 8.8 out of 10.

Is CVE-2026-5411 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Arbitrary file upload in Webfactory Advanced Google Recaptcha

CVE-2026-5411

The WP Captcha PRO (the premium version of the Advanced Google reCAPTCHA plugin, both have the same slug) plugin for WordPress is vulnerable to arbitrary file upload in all versions up to, and including, 5.38. This is due to a capability c…

Vulnerability class: Unrestricted File Upload

EPSS: 0.004 (36.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Webfactory Advanced Google Recaptcha — versions 0

Weakness classification (CWE)

CWE-434 — Unrestricted Upload of File with Dangerous Type

Public proof-of-concept exploits

izxci/CVE-2026-5411

References

Frequently asked questions

What is CVE-2026-5411?: CVE-2026-5411 is a high-severity vulnerability in Webfactory Advanced Google Recaptcha, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 8.8/10. Published 2026-06-05.
How severe is CVE-2026-5411?: High severity. CVSS v3 base score is 8.8 out of 10.
Is CVE-2026-5411 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.