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Vulnerability DatabaseCVE-2025-9762
CVE-2025-9762:
WordPress vulnerability analysis and mitigation
Overview
The Post By Email plugin for WordPress contains a critical vulnerability (CVE-2025-9762) discovered in September 2025. The vulnerability affects all versions up to and including 1.0.4b, allowing unauthenticated attackers to upload arbitrary files to affected WordPress sites due to missing file type validation in the save_attachments function (NVD).
Technical details
The vulnerability has been assigned a CVSS v3.1 base score of 9.8 (Critical) with the vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H. The issue stems from insufficient file type validation in the save_attachments function, which can be exploited without authentication. The vulnerability is classified under CWE-78 (Improper Neutralization of Special Elements used in an OS Command Injection) (Wordfence).
Impact
A successful exploitation of this vulnerability could allow attackers to upload arbitrary files to the affected site's server, potentially leading to remote code execution. The critical CVSS score of 9.8 indicates severe potential impacts on the confidentiality, integrity, and availability of the affected systems (NVD).
Additional resources
Source: This report was generated using AI
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