WordPress plugin
SMTP Mailer security & vulnerabilities
No known unpatched vulnerabilities in the latest version
All 1 known vulnerability is fixed in the latest release. If you run an older version, update to null or newer.
1Known vulnerabilities
- Critical0
- High1
- Medium0
- Low0
All SMTP Mailer vulnerabilities
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SMTP Mailer: common questions
Does SMTP Mailer have known vulnerabilities?
Yes. VulnCrest Radar lists 1 known vulnerability in SMTP Mailer: 1 high. None are known to affect version null.
How do I check which version of SMTP Mailer I run?
In wp-admin open Plugins → Installed Plugins; the version is shown under the name. Without admin access, our passive Check my site tool can often read it from public files.
What is the most recent SMTP Mailer vulnerability?
CVE-2026-32538, published Mar 20, 2026: SMTP Mailer <= 1.1.24 - Unauthenticated Information Exposure. Severity: High (CVSS 7.5).
Is any SMTP Mailer vulnerability listed in CISA KEV?
No. None of the known SMTP Mailer vulnerabilities is currently listed in the CISA KEV catalog.