CVE-2025-9762 - CVE House
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Status published Critical CVE-2025-9762

Post By Email <= 1.0.4b - Unauthenticated Arbitrary File Upload via Email Attachments

Vulnerability 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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • Jonas Benjamin Friedli

References

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CVE-2024-10017
PJW Mime Config <= 1.0 - Authenticated (Author+) Stored Cross-Site Scripting via SVG File Upload
Medium 6.4

Affected Vendor

Affected Software

Post By Email
Vulnerable Versions:
0

Timeline

Official Publish: September 30th, 2025
Last Modified: April 8th, 2026
Added to House: July 22nd, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weaknesses (CWE)

CWE-78

MITRE ATT&CK TTPs

T1190 Exploit Public-Facing Application
Initial Access
T1059 Command and Scripting Interpreter
Execution
T1068 Exploitation for Privilege Escalation
Privilege Escalation
T1005 Data from Local System
Collection
T1041 Exfiltration Over C2 Channel
Exfiltration