CVE-2026-15297

MEDIUM SEVERITY

CVSS Score & Metrics

Base Score

6.1 / 10

Vector String

                                        CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N                                    

Vulnerability 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.

Vulnerability Details

Published Date

July 10, 2026

Last Modified

July 10, 2026

CWE ID

CWE-79

Source

NVD

Vendor

neeraj_slit

Product

Brevo – Email, SMS, Web Push, Chat, and more.

External References

https://plugins.trac.wordpress.org/browser/mailin/trunk/inc/table-forms.php#L102
https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&new=3055756%40mailin%2Ftrunk&old=3032712%40mailin%2Ftrunk&sfp_email=&sfph_mail=
https://www.wordfence.com/threat-intel/vulnerabilities/id/bf4cb79e-e62b-4991-8ee5-493dafe38b80?source=cve

CVE-2026-15297

CVSS Score & Metrics

Vulnerability Description

Vulnerability Details

External References

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