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.

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Neeraj Slit Subscribe
Brevo – Email, Sms, Web Push, Chat, And More. Subscribe
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Fixes

Solution

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Workaround

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History

Fri, 10 Jul 2026 15:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Fri, 10 Jul 2026 06:45:00 +0000

Type Values Removed Values Added
First Time appeared Neeraj Slit
Neeraj Slit brevo – Email, Sms, Web Push, Chat, And More.
Wordpress
Wordpress wordpress
Vendors & Products Neeraj Slit
Neeraj Slit brevo – Email, Sms, Web Push, Chat, And More.
Wordpress
Wordpress wordpress

Fri, 10 Jul 2026 05:15:00 +0000

Type Values Removed Values Added
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.
Title Newsletter, SMTP, Email marketing and Subscribe forms by Brevo (formely Sendinblue) <= 3.1.77 - Reflected Cross-Site Scripting
Weaknesses CWE-79
References
Metrics cvssV3_1

{'score': 6.1, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: Wordfence

Published:

Updated: 2026-07-10T14:28:51.724Z

Reserved: 2026-07-09T15:53:39.402Z

Link: CVE-2026-15297

cve-icon Vulnrichment

Updated: 2026-07-10T14:28:47.515Z

cve-icon NVD

No data.

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-07-10T06:30:16Z

Weaknesses