CVE-2026-15297
Medium
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.
SeverityMedium
CVSS6.1
Exploit probability—
ProductBrevo – Email, SMS, Web Push, Chat, and more.
PublishedJul 10, 2026
First seenJul 10, 2026
Weakness typeCWE-79Cross-site scripting (XSS)
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| neeraj_slit Brevo – Email, SMS, Web Push, Chat, and more. | v ≤ 3.1.77 | — |
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