WordPress plugin
Post By Email security & vulnerabilities
Unpatched vulnerability in the latest version
At least one vulnerability affects the latest version and no fix has been released. Deactivate the plugin or restrict access to the affected feature until the vendor ships a patch.
- Critical1
- High0
- Medium1
- Low0
All Post By Email vulnerabilities
| Severity | Vulnerability | CVE | Published |
|---|---|---|---|
| Critical9.8 | Unauthenticated Arbitrary File Upload via Email Attachments ≤1.0.4bNo patch available | CVE-2025-9762 | |
| Medium6.1 | Reflected Cross-Site Scripting ≤1.0.4bNo patch available | CVE-2024-52463 |
- Critical9.8Unauthenticated Arbitrary File Upload via Email Attachments
≤1.0.4bNo patch available
- Medium6.1Reflected Cross-Site Scripting
≤1.0.4bNo patch available
Post By Email: common questions
Does Post By Email have known vulnerabilities?
Yes. VulnCrest Radar lists 2 known vulnerabilities in Post By Email: 1 critical, 1 medium. At least one is not fixed in the latest version.
How do I check which version of Post By Email 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 Post By Email vulnerability?
CVE-2025-9762, published Sep 29, 2025: Post By Email <= 1.0.4b - Unauthenticated Arbitrary File Upload via Email Attachments. Severity: Critical (CVSS 9.8).
Is any Post By Email vulnerability listed in CISA KEV?
No. None of the known Post By Email vulnerabilities is currently listed in the CISA KEV catalog.