What is CVE-2025-0953?

CVE-2025-0953 is a high-severity vulnerability in Yaycommerce Smtp For Sendinblue – Yaysmtp, classified under Cross-site Scripting. CVSS score: 7.2/10. Published 2025-02-22.

How severe is CVE-2025-0953?

High severity. CVSS v3 base score is 7.2 out of 10.

Is CVE-2025-0953 known to be exploited?

3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

XSS in Yaycommerce Smtp For Sendinblue – Yaysmtp

CVE-2025-0953

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.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.003 (27.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N.

Affected products

Yaycommerce Smtp For Sendinblue – Yaysmtp — versions 0
Yaycommerce Yaysmtp

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

Public proof-of-concept exploits

References

security@wordfence.com (Third Party Advisory)
security@wordfence.com (Product)
security@wordfence.com (Product)
security@wordfence.com (Product)
security@wordfence.com

Frequently asked questions

What is CVE-2025-0953?: CVE-2025-0953 is a high-severity vulnerability in Yaycommerce Smtp For Sendinblue – Yaysmtp, classified under Cross-site Scripting. CVSS score: 7.2/10. Published 2025-02-22.
How severe is CVE-2025-0953?: High severity. CVSS v3 base score is 7.2 out of 10.
Is CVE-2025-0953 known to be exploited?: 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.