CVE-2025-9762 | The Post By Email plugin for WordPress is vulnerable to arbi… | CVSS 9.8 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.

Metadata

CVE ID: CVE-2025-9762
State: PUBLISHED
Assigner: Wordfence
Reserved: 2025-08-31 15:08 UTC
Published: 2025-09-30 03:35 UTC
Last updated: 2026-04-08 17:05 UTC
Primary CWE: CWE-78
CWE-78 Improper Neutralization of Special Elements used in a…
Vendor / Product: westi / Post By Email
Sources: cve.org · NVD

Severity & Metrics

9.8 CRITICAL CVSS 3.1

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

SSVC — CISA Coordinator

Exploitation: none
Automatable: yes
Tech. Impact: total

Affected products (1)

Vendor	Product	Platform	Versions
westi	Post By Email	—	0 ≤ 1.0.4b

Weakness (CWE)

CWE	Source	Description
CWE-78	cna	CWE-78 Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

CVSS scores (1)

Score	Severity	Version	Source	Vector
9.8	CRITICAL	3.1	cna	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References (2)