--- title: "CVE-2026-118235: SimpleForm WordPress Plugin - Unrestricted File Upload" description: "SimpleForm – Form Maker to Chat Apps with Quiz, Poll and Multi Lead Notifications WordPress plugin <= 3.10.2 contains an arbitrary file upload vulnerability caused by missing server-side file key allowlist and improper extension validation in handle_upload, letting unauthenticated attackers upload executable files and achieve remote code execution, exploit requires access to the nonce in public form data." url: https://panop.io/threat-heartbeat/CVE-2026-118235/ --- # CVE-2026-118235 SimpleForm WordPress Plugin - Unrestricted File Upload SimpleForm – Form Maker to Chat Apps with Quiz, Poll and Multi Lead Notifications WordPress plugin <= 3.10.2 contains an arbitrary file upload vulnerability caused by missing server-side file key allowlist and improper extension validation in handle\_upload, letting unauthenticated attackers upload executable files and achieve remote code execution, exploit requires access to the nonce in public form data. CVSS base score 9.8 /10 Critical CISA KEV Not listed Public exploit None known Authentication Not required EPSS 0.74% chance of exploitation in 30 days [View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-118235) ## Details Type Unrestricted File Upload Impact Remote Code Execution, Unrestricted File Upload CVSS vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Published 31 October 2026 Updated 1 November 2026 Weakness [CWE-434](https://cwe.mitre.org/data/definitions/434.html) ## Vendor fix Update to the latest version beyond 3.10.2. 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-2026-118235](https://nvd.nist.gov/vuln/detail/CVE-2026-118235) - [https://plugins.svn.wordpress.org/simple-form/trunk/](https://plugins.svn.wordpress.org/simple-form/trunk/) - [https://plugins.trac.wordpress.org/browser/simple-form/tags/3.10.2/app/Ajax/Tables.php#L973](https://plugins.trac.wordpress.org/browser/simple-form/tags/3.10.2/app/Ajax/Tables.php#L973) - [https://plugins.trac.wordpress.org/browser/simple-form/tags/3.10.2/app/FileUpload.php#L118](https://plugins.trac.wordpress.org/browser/simple-form/tags/3.10.2/app/FileUpload.php#L118) - [https://plugins.trac.wordpress.org/browser/simple-form/tags/3.10.2/app/FileUpload.php#L142](https://plugins.trac.wordpress.org/browser/simple-form/tags/3.10.2/app/FileUpload.php#L142) - [https://plugins.trac.wordpress.org/changeset/3770697/simple-form/trunk/app/FileUpload.php](https://plugins.trac.wordpress.org/changeset/3770697/simple-form/trunk/app/FileUpload.php) - [https://plugins.trac.wordpress.org/browser/simple-form/tags/3.10.2/app/Ajax/Tables.php#L67](https://plugins.trac.wordpress.org/browser/simple-form/tags/3.10.2/app/Ajax/Tables.php#L67) - [https://plugins.trac.wordpress.org/browser/simple-form/tags/3.10.2/app/Ajax/Tables.php#L988](https://plugins.trac.wordpress.org/browser/simple-form/tags/3.10.2/app/Ajax/Tables.php#L988) - [https://plugins.trac.wordpress.org/browser/simple-form/tags/3.10.2/app/FileUpload.php#L137](https://plugins.trac.wordpress.org/browser/simple-form/tags/3.10.2/app/FileUpload.php#L137) - [https://www.wordfence.com/threat-intel/vulnerabilities/id/6aac2178-f6ce-4444-9afc-7e014547cd48?source=cve](https://www.wordfence.com/threat-intel/vulnerabilities/id/6aac2178-f6ce-4444-9afc-7e014547cd48?source=cve) [← 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)