WordPress plugin
Ultimate WP Mail security & vulnerabilities
No known unpatched vulnerabilities in the latest version
All 6 known vulnerabilities are fixed in the latest release. If you run an older version, update to null or newer.
- Critical0
- High1
- Medium5
- Low0
All Ultimate WP Mail vulnerabilities
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Ultimate WP Mail: common questions
Does Ultimate WP Mail have known vulnerabilities?
Yes. VulnCrest Radar lists 6 known vulnerabilities in Ultimate WP Mail: 1 high, 5 medium. None are known to affect version null.
How do I check which version of Ultimate WP Mail 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 Ultimate WP Mail vulnerability?
CVE-2025-53454, published Sep 22, 2025: Ultimate WP Mail <= 1.3.8 - Authenticated (Contributor+) Stored Cross-Site Scripting. Severity: Medium (CVSS 6.4).
Is any Ultimate WP Mail vulnerability listed in CISA KEV?
No. None of the known Ultimate WP Mail vulnerabilities is currently listed in the CISA KEV catalog.