The PostmarkApp Email Integrator plugin for WordPress is vulnerable to unauthorized access due to a missing capability check on a function in all versions up to, and including, 2.4. This makes it possible for authenticated attackers, with Subscriber-level access and above, to perform an unauthorized action.
CVE-2025-31576 is a medium severity with CVSS 4.3 Vulnerability issue affecting the Plugin PostmarkApp Email Integrator. It affects Versions up to 2.4 and is fixed in 2.5.0.
CVE-2025-31576 is tracked for the Plugin PostmarkApp Email Integrator as medium severity with CVSS 4.3. The affected range is Versions up to 2.4. Update PostmarkApp Email Integrator to 2.5.0 or newer where that version is compatible with the site.
| Software Type | Plugin |
|---|---|
| Software Slug |
postmarkapp-email-integrator
View on wordpress.org
|
| CVE | CVE-2025-31576 |
| Patched Versions |
2.5.0
|
| Affected Versions |
Versions up to 2.4
|
These internal links group the same WordPress plugin by CVE, issue type, severity, and patch status so operators and search engines can connect the full vulnerability cluster.
PostmarkApp Email Integrator <= 2.4 - Authenticated (Administrator+) Stored Cross-Site Scripting via Plugin Settings
PostmarkApp Email Integrator <= 2.4 - Cross-Site Request Forgery to Stored Cross-Site Scripting
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