CVE-2025-66128

MEDIUM 5.3

WordPress Sendinblue for WooCommerce plugin <= 4.0.49 - Broken Access Control vulnerability

CVSS Score

5.3

EPSS Score

0.0%

EPSS Percentile

0th

Missing Authorization vulnerability in Brevo Sendinblue for WooCommerce woocommerce-sendinblue-newsletter-subscription allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Sendinblue for WooCommerce: from n/a through <= 4.0.49.

CWE	CWE-862
Vendor	brevo
Product	sendinblue for woocommerce
Published	Dec 16, 2025
Last Updated	Apr 1, 2026

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Affected Versions

Brevo / Sendinblue for WooCommerce

0 ≤ 4.0.49

References

NVD ↗ CVE.org ↗ EPSS Data ↗

patchstack.com: https://patchstack.com/database/Wordpress/Plugin/woocommerce-sendinblue-newsletter-subscription/vulnerability/wordpress-sendinblue-for-woocommerce-plugin-4-0-49-broken-access-control-vulnerability?_s_id=cve

Credits

NumeX | Patchstack Bug Bounty Program