Vulnerability · Published Dec 16, 2025 · Assigned by Patchstack

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

Medium 5.3

In plain English

A medium-severity missing authorization in Sendinblue for WooCommerce from Brevo. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 17% of all known vulnerabilities).

Severity (CVSS 3.1)5.3Medium
Exploit odds (30 days)0.3%top 82.9% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official 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 (as reported)

VendorProductVersions
Brevo Sendinblue for WooCommerce 0 – through 4.0.49

Weakness: CWE-862 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

References