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Email Deliverability vulnerabilities
Email Deliverability has 1 known vulnerability in this database. The most recent published record is dated 28 Feb 2025.
- Known vulnerabilities
- 1
- Active installs
- 200,000+
- Latest version
- 1.4.7
- Last updated
- 16 Jul 2026
- Most recent
- 28 Feb 2025
Find it in your WordPress dashboard under Plugins. Severity is based on the CVSS score published with the CVE where one is available.
| Vulnerability | Severity | Affected | Fix | Published |
|---|---|---|---|---|
| Cross-site scripting (XSS) CVE-2025-1319 | High 7.2 | Before 1.2.4 | Fixed in 1.2.4 | 28 Feb 2025 |
Read the published descriptions
- CVE-2025-1319, 28 Feb 2025
- The Site Mailer - SMTP Replacement, Email API Deliverability & Email Log plugin for WordPress is vulnerable to Stored Cross-Site Scripting in all versions up to, and including, 1.2.3 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. CVE record
What to do if you run Email Deliverability
If you run Email Deliverability, open WordPress and check the installed version in Plugins. Compare it with the affected versions in the vulnerability record. If a fixed version is available, take a current backup and update to that version or the latest supported release.
If no fixed version exists, consider disabling and removing the plugin or replacing it with a maintained alternative. After dealing with the affected software, check administrator users, unexpected file changes, redirects, unfamiliar pages and security logs for signs that the site may already have been altered.
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