WordPress plugin
PostmarkApp Email Integrator security & vulnerabilities
No known unpatched vulnerabilities in the latest version
All 3 known vulnerabilities are fixed in the latest release. If you run an older version, update to null or newer.
- Critical0
- High0
- Medium3
- Low0
All PostmarkApp Email Integrator vulnerabilities
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PostmarkApp Email Integrator: common questions
Does PostmarkApp Email Integrator have known vulnerabilities?
Yes. VulnCrest Radar lists 3 known vulnerabilities in PostmarkApp Email Integrator: 3 medium. None are known to affect version null.
How do I check which version of PostmarkApp Email Integrator 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 PostmarkApp Email Integrator vulnerability?
CVE-2026-1043, published Feb 18, 2026: PostmarkApp Email Integrator <= 2.4 - Authenticated (Administrator+) Stored Cross-Site Scripting via Plugin Settings. Severity: Medium (CVSS 4.4).
Is any PostmarkApp Email Integrator vulnerability listed in CISA KEV?
No. None of the known PostmarkApp Email Integrator vulnerabilities is currently listed in the CISA KEV catalog.