PT-2026-57072 · Neeraj Slit · Brevo – Email

Stealthcopter · Published 2026-07-10 · Updated 2026-07-10 · CVE-2026-15297

Mitre

CVSS v3.1

6.1

Medium

Base vector

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

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.

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2026-15297

Affected Products

Brevo – Email

References · 4

• https://nvd.nist.gov/vuln/detail/CVE-2026-15297 · Security Note
• https://wordfence.com/threat-intel/vulnerabilities/id/bf4cb79e-e62b-4991-8ee5-493dafe38b80?source=cve · Note
• https://plugins.trac.wordpress.org/browser/mailin/trunk/inc/table-forms.php#L102 · Note
• https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&new=3055756%40mailin%2Ftrunk&old=3032712%40mailin%2Ftrunk&sfp_email=&sfph_mail= · Note