CVE-2025-0953

HIGH 7.2

SMTP for Sendinblue – YaySMTP <= 1.2 - Unauthenticated Stored Cross-Site Scripting via Email Logs

CVSS Score

7.2

EPSS Score

0.0%

EPSS Percentile

0th

The SMTP for Sendinblue – YaySMTP plugin for WordPress is vulnerable to Stored Cross-Site Scripting in versions up to, and including, 1.2 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

CWE	CWE-79
Vendor	yaycommerce
Product	smtp for sendinblue – yaysmtp
Published	Feb 22, 2025
Last Updated	Apr 8, 2026

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CVSS v3 Breakdown

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

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

Integrity

Availability

Affected Versions

yaycommerce / SMTP for Sendinblue – YaySMTP

0 ≤ 1.2

References

NVD ↗ CVE.org ↗ EPSS Data ↗

wordfence.com: https://www.wordfence.com/threat-intel/vulnerabilities/id/e7ba65ac-e568-4c13-961d-6453f281d9fc?source=cve wordpress.org: https://wordpress.org/plugins/smtp-sendinblue/#developers plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/browser/smtp-sendinblue/trunk/includes/Helper/Utils.php plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/browser/smtp-sendinblue/trunk/includes/Functions.php plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/changeset/3270561/

Credits

Cristian Bejan