CVE-2025-9762
Critical
Description
The Post By Email plugin for WordPress is vulnerable to arbitrary file uploads due to missing file type validation in the save_attachments function in all versions up to, and including, 1.0.4b. This makes it possible for unauthenticated attackers to upload arbitrary files on the affected site's server which may make remote code execution possible.
SeverityCritical
CVSS9.8
Exploit probability—
ProductPost By Email
PublishedSep 30, 2025
First seenSep 30, 2025
Weakness typeCWE-78OS command injection
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| westi Post By Email | v ≤ 1.0.4b | — |
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