CVE-2025-9762

CRITICAL

Post By Email < 1.0.4b - Unauthenticated Arbitrary File Upload via save_attachments Function

Title source: llm
STIX 2.1

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.

References (2)

Core 2

Scores

CVSS v3 9.8
EPSS 0.0066
EPSS Percentile 46.8%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable yes
Technical Impact total

Details

CWE
CWE-78
Status published
Products (1)
westi/Post By Email < 1.0.4b
Published Sep 30, 2025
Tracked Since Feb 18, 2026