CVE-2026-15297

MEDIUM

Newsletter, SMTP, Email marketing and Subscribe forms by Brevo (formely Sendinblue) <= 3.1.77 - Reflected Cross-Site Scripting

Title source: cna
STIX 2.1

Description

The Newsletter, SMTP, Email marketing and Subscribe forms by Brevo (formely Sendinblue) plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via the page parameter in all versions up to, and including, 3.1.77 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that execute if they can successfully trick a user into performing an action such as clicking on a link.

References (3)

Core 3

Scores

CVSS v3 6.1
EPSS 0.0026
EPSS Percentile 17.3%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-79
Status published
Products (1)
neeraj_slit/Brevo – Email, SMS, Web Push, Chat, and more. < 3.1.77
Published Jul 10, 2026
Tracked Since Jul 10, 2026