CVE-2025-0918
SMTP for SendGrid – YaySMTP <= 1.4 - Unauthenticated Stored Cross-Site Scripting via Email Logs
The SMTP for SendGrid – YaySMTP plugin for WordPress is vulnerable to Stored Cross-Site Scripting in versions up to, and including, 1.4 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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- Low
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
7.2
SMTP for SendGrid – YaySMTP <= 1.4 - Unauthenticated Stored Cross-Site Scripting via Email Logs
The SMTP for SendGrid – YaySMTP plugin for WordPress is vulnerable to Stored Cross-Site Scripting in versions up to, and including, 1.4 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.
- Record
CVE-2025-0918- CVSS 3.1
- 7.2 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
EUVDEUVD-2025-4439
7.2
The SMTP for SendGrid – YaySMTP plugin for WordPress is vulnerable to Stored Cross-Site Scripting in versions up to, and including, 1.4 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.
- Record
EUVD-2025-4439- CVSS 3.1
- 7.2 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-gmvm-33rw-f6fh
7.2
The SMTP for SendGrid – YaySMTP plugin for WordPress is vulnerable to Stored Cross-Site Scripting...
The SMTP for SendGrid – YaySMTP plugin for WordPress is vulnerable to Stored Cross-Site Scripting in versions up to, and including, 1.3.1 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.
- Record
GHSA-gmvm-33rw-f6fh- CVSS 3.1
- 7.2 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
NVD
7.2
The SMTP for SendGrid – YaySMTP plugin for WordPress is vulnerable to Stored Cross-Site Scripting in versions up to, and including, 1.4 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.
- Record
CVE-2025-0918- CVSS 3.1
- 7.2 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N - CVSS 3.1
- 6.1 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2025-0918 is a high vulnerability (CVSS 7.2) in Yaycommerce Smtp For Sendgrid – Yaysmtp, published February 22, 2025. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.36%, the 29th percentile. No source names a fixed version.
References
wordfence.com/threat-intel/vulnerabilities/id/b98f2a85-9535-4bf5-900c-f4f630c7b502?source=cve
plugins.trac.wordpress.org/browser/smtp-sendgrid/trunk/includes/Functions.php
wordpress.org/plugins/smtp-sendgrid
plugins.trac.wordpress.org/changeset/3270556
nvd.nist.gov/vuln/detail/CVE-2025-0918
plugins.trac.wordpress.org/changeset/3056461
plugins.trac.wordpress.org/changeset/3234377
github.com/advisories/GHSA-gmvm-33rw-f6fh