CVE-2023-2472: Newsletter, SMTP, Email marketing and Subscribe forms by Sendinblue < 3.1.61 - Reflected XSS

Severity: medium (CVSS 6.1 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.5% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2023-06-05 · updated 2026-06-17

Description

The Newsletter, SMTP, Email marketing and Subscribe forms by Sendinblue WordPress plugin before 3.1.61 does not sanitise and escape a parameter before outputting it back in the admin dashboard when the WPML plugin is also active and configured, leading to a Reflected Cross-Site Scripting which could be used against high privilege users such as admin

Affected products

neeraj_slit Brevo – Email, SMS, Web Push, Chat, and more.: before 3.1.61 — fixed in 3.1.61

How to fix

Upgrade to a fixed version: neeraj_slit Brevo – Email, SMS, Web Push, Chat, and more. 3.1.61. Check the vendor advisory for mitigations.

References

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