WordPress Post By Email Plugin <= 1.0.4b is vulnerable to a high priority Arbitrary File Upload

High priority Mitigate with Patchstack
<= 1.0.4bVulnerable version(s)
No official patch availablePatched version
WordPress plugin
No VDP
30 Sep, 2025

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Risks

CVSS 10

This vulnerability is highly dangerous and expected to become exploited.

Note by Patchstack

Due to the specific nature of this vulnerability, no virtual patch can be assigned to it.

10

Arbitrary File Upload

This could allow a malicious actor to upload any type of file to your website. This can include backdoors which are then executed to gain further access to your website.

CVSS score is a way to evaluate and rank reported vulnerabilities in a standardized and repeatable way but which is not ideal for WordPress.

Solutions

We advise to mitigate or resolve the vulnerability immediately.

Details

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WordPress plugin
No VDP

Timeline

Published by Patchstack

30 Sep, 2025

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