CVE-2026-15297

mediumCVSS 6.1covered by 1 sourcefirst seen 2026-07-10

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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Exploitation outlook

Low exploitation risk0.26% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 17% of all EPSS-scored CVEs.

Advisory coverage (1)

mediumCVE-2026-15297: The Newsletter, SMTP, Email marketing and Subscribe forms by Brevo (formely Sendinblue) plugin…nvd · 2026-07-10

External references

NVD record for CVE-2026-15297

CVE.org record

Embed the live status

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