CWE-434: Unrestricted File Upload vulnerabilities

Unrestricted Upload of File with Dangerous Type vulnerability in Kodezen LLC Academy LMS Pro allows Upload a Web Shell to a Web Server. This issue affects Academy LMS Pro: from n/a before 3.5.2.

Unrestricted Upload of File with Dangerous Type vulnerability in themagnifico52 Kids Online Store allows Upload a Web Shell to a Web Server. This issue affects Kids Online Store: from n/a through 0.8.9.

Premmerce Dev Tools plugin for WordPress versions up to and including 2.0 contains a vulnerability that allows authenticated users with Subscriber-level access or higher to execute arbitrary PHP code remotely. This occurs because the 'generatePluginHandler' function lacks authorization checks and the 'createFromStub' function unsafely injects user input into PHP files. The vulnerability enables attackers to create malicious PHP files in the plugins directory, leading to remote code execution.

CVE-2026-40772 is a critical vulnerability in Ahmad's GeekyBot software versions up to and including 1.2.2. It allows unauthenticated attackers to upload arbitrary files of dangerous types, leading to complete compromise of confidentiality, integrity, and availability. The vulnerability is classified as CWE-434, indicating unrestricted file upload. No official patch or remediation guidance is currently available.

CVE-2026-39591 is a critical vulnerability in the WP-BusinessDirectory plugin for WordPress by CMSJunkie, affecting versions up to and including 4.0.0. It allows subscribers to upload arbitrary files without proper restrictions, leading to potential full compromise of confidentiality, integrity, and availability of the affected system. The vulnerability is categorized under CWE-434 (Unrestricted Upload of File with Dangerous Type). No official patch or remediation guidance is currently provided by the vendor.

Subscriber Arbitrary File Upload in WpStream < 4.11.2 versions.

Responsive FileManager's allows an unauthenticated attacker to upload files of any type and extension without restriction using dialog.php endpoint, leading to Remote Code Execution.  This project is unmaintained at the time of CVE assignment. The vulnerability was found in the latest release 9.14.0

The Wertheim SafeController Software, AssemblyVersion 6.15.8328.28014, contains insufficient server-side file type validation in the /safe/contract/uploadcustomdocuments endpoint. The application validates uploaded files based on the user-controlled HTTP Content-Type value and accepts the upload if this value contains an allowed string such as pdf, jpeg, tiff, or png. An authenticated attacker with any role or permission level can spoof the Content-Type value and upload arbitrary file content.

Parse Server is an open source backend that can be deployed to any infrastructure that can run Node.js. Prior to versions 8.6.79 and 9.9.1-alpha.4, the default file upload extension blocklist can be bypassed by appending a trailing dot to a filename whose extension would otherwise be blocked (e.g. poc.svg.). The trailing dot causes the extension parser to extract an empty string, which short-circuits the blocklist check, and the attacker-controlled Content-Type is forwarded to the storage adapter unchanged. Storage adapters that persist and serve the provided Content-Type (such as S3 or GCS) then serve the file with an active type such as image/svg+xml, enabling stored XSS when a victim opens the file URL. The default GridFS adapter is not affected because it sets X-Content-Type-Options: nosniff on responses. This issue has been patched in versions 8.6.79 and 9.9.1-alpha.4.

Unrestricted upload of file with dangerous type vulnerability in Global IT Informatics Services Inc. WEOLL allows Accessing Functionality Not Properly Constrained by ACLs. This issue affects WEOLL: from 2.0.9 before 3.2.45.33.

Unrestricted upload of file with dangerous type vulnerability in Başarsoft Information Technologies Inc. Rotaban allows Upload a Web Shell to a Web Server. This issue affects Rotaban: from V2026.06.002 before V2026.06.003.

Unrestricted upload of file with dangerous type vulnerability in Limatek System Inc. LimRAD NAC allows Remote Code Inclusion. This issue affects LimRAD NAC: before 5.5.7.3.9.

The Schema & Structured Data for WP & AMP WordPress plugin before version 1.60 contains a critical vulnerability that allows unauthenticated users to upload arbitrary file types via frontend AJAX handlers. This occurs because the plugin does not verify user capabilities nor validate the content type of uploaded files against the expected media type, enabling uploads beyond intended images or videos.

Unrestricted Upload of File with Dangerous Type vulnerability in Apache Answer. This issue affects Apache Answer: through 2.0.0. The server did not sufficiently validate user-supplied image URLs, allowing arbitrary external content to be embedded as profile images, which could expose users to unintended external requests and tracking by third-party servers. Users are recommended to upgrade to version 2.0.1, which fixes the issue.

Unrestricted Upload of File with Dangerous Type vulnerability in Apache Answer. This issue affects Apache Answer: through 2.0.0. A crafted TIFF image could trigger excessive memory allocation during image decoding, allowing an authenticated user to cause the server process to crash. Users are recommended to upgrade to version 2.0.1, which fixes the issue.

A vulnerability has been identified in SIPROTEC 5 6MD84 (CP300) (All versions), SIPROTEC 5 6MD85 (CP200) (All versions), SIPROTEC 5 6MD85 (CP300) (All versions), SIPROTEC 5 6MD86 (CP200) (All versions), SIPROTEC 5 6MD86 (CP300) (All versions), SIPROTEC 5 6MD89 (CP300) (All versions), SIPROTEC 5 6MU85 (CP300) (All versions), SIPROTEC 5 7KE85 (CP200) (All versions), SIPROTEC 5 7KE85 (CP300) (All versions), SIPROTEC 5 7SA82 (CP100) (All versions), SIPROTEC 5 7SA82 (CP150) (All versions), SIPROTEC 5 7SA86 (CP200) (All versions), SIPROTEC 5 7SA86 (CP300) (All versions), SIPROTEC 5 7SA87 (CP200) (All versions), SIPROTEC 5 7SA87 (CP300) (All versions), SIPROTEC 5 7SD82 (CP100) (All versions), SIPROTEC 5 7SD82 (CP150) (All versions), SIPROTEC 5 7SD86 (CP200) (All versions), SIPROTEC 5 7SD86 (CP300) (All versions), SIPROTEC 5 7SD87 (CP200) (All versions), SIPROTEC 5 7SD87 (CP300) (All versions), SIPROTEC 5 7SJ81 (CP100) (All versions), SIPROTEC 5 7SJ81 (CP150) (All versions), SIPROTEC 5 7SJ82 (CP100) (All versions), SIPROTEC 5 7SJ82 (CP150) (All versions), SIPROTEC 5 7SJ85 (CP200) (All versions), SIPROTEC 5 7SJ85 (CP300) (All versions), SIPROTEC 5 7SJ86 (CP200) (All versions), SIPROTEC 5 7SJ86 (CP300) (All versions), SIPROTEC 5 7SK82 (CP100) (All versions), SIPROTEC 5 7SK82 (CP150) (All versions), SIPROTEC 5 7SK85 (CP200) (All versions), SIPROTEC 5 7SK85 (CP300) (All versions), SIPROTEC 5 7SL82 (CP100) (All versions), SIPROTEC 5 7SL82 (CP150) (All versions), SIPROTEC 5 7SL86 (CP200) (All versions), SIPROTEC 5 7SL86 (CP300) (All versions), SIPROTEC 5 7SL87 (CP200) (All versions), SIPROTEC 5 7SL87 (CP300) (All versions), SIPROTEC 5 7SS85 (CP200) (All versions), SIPROTEC 5 7SS85 (CP300) (All versions), SIPROTEC 5 7ST85 (CP200) (All versions), SIPROTEC 5 7ST85 (CP300) (All versions), SIPROTEC 5 7ST86 (CP300) (All versions), SIPROTEC 5 7SX82 (CP150) (All versions), SIPROTEC 5 7SX85 (CP300) (All versions), SIPROTEC 5 7SY82 (CP150) (All versions), SIPROTEC 5 7UM85 (CP300) (All versions), SIPROTEC 5 7UT82 (CP100) (All versions), SIPROTEC 5 7UT82 (CP150) (All versions), SIPROTEC 5 7UT85 (CP200) (All versions), SIPROTEC 5 7UT85 (CP300) (All versions), SIPROTEC 5 7UT86 (CP200) (All versions), SIPROTEC 5 7UT86 (CP300) (All versions), SIPROTEC 5 7UT87 (CP200) (All versions), SIPROTEC 5 7UT87 (CP300) (All versions), SIPROTEC 5 7VE85 (CP300) (All versions), SIPROTEC 5 7VK87 (CP200) (All versions), SIPROTEC 5 7VK87 (CP300) (All versions), SIPROTEC 5 7VU85 (CP300) (All versions), SIPROTEC 5 Compact 7SX800 (CP050) (All versions). The affected application allows authenticated users to upload arbitrary files using DIGSI 5 protocol. This could allow an attacker to upload malicious configuration files, that could cause denial of service condition and potentially lead to code execution.

The MDJM Event Management WordPress plugin up to version 1.7.8.3 contains an arbitrary file upload vulnerability due to lack of validation on uploaded files. Authenticated users with administrator-level privileges can upload potentially executable files, enabling remote code execution. This vulnerability is identified as CWE-434 and carries a high severity rating with a CVSS score of 7.2.

A path traversal vulnerability exists in the Altium Enterprise Server Vault Service UploadController due to improper validation of a user-controlled path component in image upload requests. An authenticated user can supply a crafted absolute path so that the configured storage root is discarded, allowing arbitrary files to be written to any location on the server filesystem writable by the service account. Because content-controlled files can be written to web-accessible directories, or used to overwrite application binaries or configuration files, this can be escalated to remote code execution, service takeover, or denial of service. Altium 365 cloud deployments are not affected, as the affected endpoint is not reachable and the cloud storage architecture mitigates the file-write primitive.

HAX CMS helps manage microsite universe with PHP or NodeJs backends. Starting in version 11.0.6 and prior to version 25.0.0, the file upload functionality in HAXCMS PHP only validates file extensions using a regex pattern without checking the actual file content or MIME type. This allows attackers to upload malicious files (e.g., PHP webshells) disguised as legitimate image files, potentially leading to remote code execution. Version 25.0.0 contains a fix for the issue.

The WP Captcha PRO plugin (premium version of Advanced Google reCAPTCHA) for WordPress has a vulnerability allowing authenticated users with Subscriber-level access or higher to upload arbitrary files, including PHP webshells. This occurs due to insufficient file type validation during a file extraction process triggered by a malicious URL in the license meta. Exploitation requires the PHP configuration option allow_url_fopen to be enabled. Versions up to and including 5.38 are affected. This vulnerability can lead to remote code execution on the server.