--- title: "Mang Board WordPress Plugin - Unrestricted File Upload" description: "Mang Board WordPress plugin <= 2.4.4 contains an arbitrary file upload vulnerability caused by missing file extension validation in mbw_file_upload function, letting unauthenticated attackers upload executable files and achieve remote code execution, exploit requires guest posts enabled." url: https://panop.io/threat-heartbeat/CVE-2026-109219/ --- # CVE-2026-109219 Mang Board WordPress Plugin - Unrestricted File Upload Mang Board WordPress plugin <= 2.4.4 contains an arbitrary file upload vulnerability caused by missing file extension validation in mbw\_file\_upload function, letting unauthenticated attackers upload executable files and achieve remote code execution, exploit requires guest posts enabled. CVSS base score 9.8 /10 Critical CISA KEV Not listed Public exploit None known Authentication Not required [View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-109219) ## Details Type Unrestricted File Upload Impact Remote Code Execution CVSS vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Published 16 October 2026 Updated 16 October 2026 Weakness [CWE-434](https://cwe.mitre.org/data/definitions/434.html) ## Vendor fix Update to the latest version of Mang Board plugin. Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them. ## References - [https://nvd.nist.gov/vuln/detail/CVE-2026-109219](https://nvd.nist.gov/vuln/detail/CVE-2026-109219) - [https://plugins.trac.wordpress.org/browser/mangboard/tags/2.4.4/includes/functions/func.api.php#L902](https://plugins.trac.wordpress.org/browser/mangboard/tags/2.4.4/includes/functions/func.api.php#L902) - [https://plugins.trac.wordpress.org/browser/mangboard/tags/2.4.4/includes/functions/func.api.php#L903](https://plugins.trac.wordpress.org/browser/mangboard/tags/2.4.4/includes/functions/func.api.php#L903) - [https://plugins.trac.wordpress.org/browser/mangboard/tags/2.4.4/includes/functions/func.api.php#L972](https://plugins.trac.wordpress.org/browser/mangboard/tags/2.4.4/includes/functions/func.api.php#L972) - [https://plugins.trac.wordpress.org/browser/mangboard/tags/2.4.4/includes/mb-actions.php#L520](https://plugins.trac.wordpress.org/browser/mangboard/tags/2.4.4/includes/mb-actions.php#L520) - [https://plugins.trac.wordpress.org/changeset/3743247/mangboard/trunk/includes/functions/func.api.php](https://plugins.trac.wordpress.org/changeset/3743247/mangboard/trunk/includes/functions/func.api.php) - [https://wordpress.org/plugins/mangboard/](https://wordpress.org/plugins/mangboard/) - [https://www.wordfence.com/threat-intel/vulnerabilities/id/1e4f4860-b4c9-4f41-b1d0-0b2da8c88b99?source=cve](https://www.wordfence.com/threat-intel/vulnerabilities/id/1e4f4860-b4c9-4f41-b1d0-0b2da8c88b99?source=cve) - [https://plugins.trac.wordpress.org/browser/mangboard/tags/2.4.4/api/mb-board.php#L428](https://plugins.trac.wordpress.org/browser/mangboard/tags/2.4.4/api/mb-board.php#L428) [← All CVEs](https://panop.io/threat-heartbeat/) ## What this record can't tell you - Whether you run the affected software, and where - Whether an attacker can actually reach and exploit it - The misconfigurations that never get a CVE number - What it would cost the business, ranked into what to fix first Panop answers these inside your environment, for this CVE and every other finding. [Book a demo](https://panop.io/demo)