CVE-2025-66128: WordPress Sendinblue for WooCommerce plugin <= 4.0.49 - Broken Access Control vulnerability

Severity: medium (CVSS 5.3 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2025-12-16 · updated 2026-06-17
Weakness: CWE-862

Description

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.

Affected products

Brevo Sendinblue for WooCommerce: through 4.0.49

References

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

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