CVE-2026-111834: Unrestricted Upload of File with Dangerous Type in Kitae Park Mang Board WP

The vulnerability CVE-2026-111834 in Mang Board WP allows an attacker to upload files of dangerous types without restriction. This can be exploited to upload a web shell to the server, granting the attacker remote code execution capabilities. The affected versions include all releases prior to 2.4.5. The CVSS 3.1 score is 9.9, indicating critical severity with network attack vector, low attack complexity, privileges required, no user interaction, and high impact on confidentiality, integrity, and availability.

Successful exploitation can lead to full compromise of the affected web server, including unauthorized remote code execution, data theft, and service disruption. The attacker can upload and execute arbitrary code via web shells, severely impacting confidentiality, integrity, and availability of the system.

Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, restrict file upload permissions, implement strict file type validation, and monitor for suspicious file uploads to mitigate risk.