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)
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.004 (27.2th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 27th percentile — 27.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: +0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.wordfence.com/threat-intel/vulnerabilities/id/e7ba65ac-e568-4c13-961d-6453f… (Third Party Advisory)
- wordpress.org/plugins/smtp-sendinblue/ (Product)
- plugins.trac.wordpress.org/browser/smtp-sendinblue/trunk/includes/Helper/Utils… (Product)
- plugins.trac.wordpress.org/browser/smtp-sendinblue/trunk/includes/Functions.php (Product)
- plugins.trac.wordpress.org/changeset/3270561/
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.