CVE-2021-24923: Brevo Newsletter, Smtp, Email Marketing And Subscribe

Medium severity, CVSS 6.1. EPSS: 0.8% chance of exploitation in the next 30 days.

The Newsletter, SMTP, Email marketing and Subscribe forms by Sendinblue WordPress plugin before 3.1.25 does not escape the sib-statistics-date parameter before outputting it back in an attribute, leading to a Reflected Cross-Site Scripting issue

Affected products

• Brevo Newsletter, Smtp, Email Marketing And Subscribe: before 3.1.25 (fixed in 3.1.25)

Published 2022-01-24. Last modified 2026-06-17.