CWE-434 4068 CVEs MITRE definition ↗

CWE-434: Unrestricted Upload of File with Dangerous Type

Overview

CWE-434 (Unrestricted Upload of File with Dangerous Type) documents a weakness type used across vulnerability databases and security assessments. Use the sections below for definition, context, and mapped CVEs.

Security impact
Security impact: Depends on product and context; use CVE records, severity scores, and MITRE guidance to prioritize.

Description

The product allows the upload or transfer of dangerous file types that are automatically processed within its environment.

Applicable platforms

Kind Name Class Prevalence OS / CPE
language ASP.NET Sometimes
language PHP Often
language Not Language-Specific Undetermined
technology Web Server Sometimes
technology AI/ML Undetermined

Related CVEs in this database

These CVEs are mapped to this weakness in this database and kept for traceability and search.

CVE Published Summary
CVE-2026-40548 2026-06-01 SOPlanning does not verify uploaded file extension. An authenticated attacker with access to the backup functionality can upload a crafted ZIP archive containing a legitimate user.csv file alongside a…
CVE-2026-10205 2026-06-01 A security vulnerability has been detected in Metasoft 美特软件 MetaCRM 6.4.0. The impacted element is an unknown function of the file develop/systparam/softlogo/upload.jsp. Such manipulation leads to unr…
CVE-2026-10172 2026-05-31 A security flaw has been discovered in Bdtask Multi-Store Inventory Management System 1.0. The affected element is the function Upload of the file application/modules/dashboard/controllers/Module.php …
CVE-2018-25409 2026-05-30 SIM-PKH 2.4.1 contains an arbitrary file upload vulnerability that allows authenticated attackers to upload malicious files by submitting PHP code through the fupload parameter. Attackers can upload P…
CVE-2018-25388 2026-05-29 HaPe PKH 1.1 contains an arbitrary file upload vulnerability that allows authenticated attackers to upload malicious files by bypassing file type validation. Attackers can upload PHP files through mul…
CVE-2026-39292 2026-05-29 Falco Solutions PHPPageBuilder v0.31.0 contains an unrestricted file upload vulnerability in the pagemanager/pagebuilder module that allows remote attackers to upload arbitrary files and achieve remot…
CVE-2026-10072 2026-05-29 DreamMaker developed by Interinfo has an Arbitrary File Upload vulnerability, allowing privileged remote attackers to upload and execute web shell backdoors, thereby enabling arbitrary code execution …
CVE-2026-10071 2026-05-29 DreamMaker developed by Interinfo has an Arbitrary File Upload vulnerability, allowing unauthenticated remote attackers to upload and execute web shell backdoors, thereby enabling arbitrary code execu…
CVE-2026-30761 2026-05-28 An arbitrary file upload vulnerability in the pages/admin.uploadmapimg.php component of SourceBans Material Admin v1.1.6 allows attackers to execute arbitrary code via uploading a crafted image file.
CVE-2026-9227 2026-05-28 The GutenBee – Gutenberg Blocks plugin for WordPress is vulnerable to Arbitrary File Upload in all versions up to, and including, 2.20.1 via the gutenbee_file_and_ext_json function. This is due to a f…
CVE-2026-9009 2026-05-28 The Crawlomatic Multipage Scraper Post Generator plugin for WordPress is vulnerable to Remote Code Execution in all versions up to, and including, 2.7.2 via the filter_content function. This is due to…
CVE-2026-42879 2026-05-27 FacturaScripts is an open source accounting and invoicing software. In 2025.81 and earlier, an authenticated unrestricted file upload vulnerability exists in FacturaScripts' product image upload funct…
CVE-2026-46426 2026-05-27 Budibase is an open-source low-code platform. Prior to 3.38.2, the file upload endpoint POST /api/attachments/process does not enforce active-content restrictions for authenticated users. The checks f…
CVE-2026-45089 2026-05-27 Dalfox is a powerful open-source XSS scanner and utility focused on automation. Prior to 2.13.0, when dalfox is run in REST API server mode, the output, output-all, and debug fields in model.Options a…
CVE-2026-42748 2026-05-27 Unrestricted Upload of File with Dangerous Type vulnerability in WPify WPify Woo Czech wpify-woo allows Upload a Web Shell to a Web Server.This issue affects WPify Woo Czech: from n/a through <= 5.4.1…
CVE-2026-9445 2026-05-25 A flaw has been found in SourceCodester Simple POS and Inventory System 1.0. Impacted is an unknown function of the file /admin/addproduct.php of the component File Extension Handler. This manipulatio…
CVE-2026-9421 2026-05-25 A vulnerability was determined in KLiK SocialMediaWebsite 1.0. This vulnerability affects the function uniqid of the file upload.inc.php of the component File Handler. This manipulation causes unrestr…
CVE-2026-9374 2026-05-24 A vulnerability was found in yangzongzhuan RuoYi-Vue up to 3.9.2. Impacted is the function FileUploadUtils.upload of the file /common/upload of the component Common Upload Endpoint. Performing a manip…
CVE-2026-40412 2026-05-22 Unrestricted upload of file with dangerous type in Azure Orbital Spatio allows an unauthorized attacker to execute code over a network.
CVE-2026-6960 2026-05-21 The BookingPress Pro plugin for WordPress is vulnerable to arbitrary file uploads due to missing file type validation in the 'bookingpress_validate_submitted_booking_form_func' function in all version…

Previous names

  • Unrestricted File Upload (2010-02-16)

Content submission

Name
PLOVER
Date
2006-07-19
Version
Draft 3

Content modifications

Date Name Version Importance Comment
2008-07-01 Eric Dalci 1.0 updated Time_of_Introduction
2008-09-08 CWE Content Team 1.0 updated Alternate_Terms, Relationships, Other_Notes, Taxonomy_Mappings
2009-01-12 CWE Content Team 1.2 updated Relationships
2009-12-28 CWE Content Team 1.7 updated Applicable_Platforms, Functional_Areas, Likelihood_of_Exploit, Potential_Mitigations, Time_of_Introduction
2010-02-16 CWE Content Team 1.8 Critical converted from Compound_Element to Weakness
2010-02-16 CWE Content Team 1.8 updated Alternate_Terms, Applicable_Platforms, Common_Consequences, Demonstrative_Examples, Name, Other_Notes, Potential_Mitigations, References, Related_Attack_Patterns, Relationship_Notes, Relationships, Type, Weakness_Ordinalities
2010-04-05 CWE Content Team 1.8.1 updated Related_Attack_Patterns
2010-06-21 CWE Content Team 1.9 updated References, Relationship_Notes
2010-09-27 CWE Content Team 1.10 updated Potential_Mitigations
2010-12-13 CWE Content Team 1.11 updated Potential_Mitigations
2011-06-27 CWE Content Team 2.0 updated Relationships
2011-09-13 CWE Content Team 2.1 updated Potential_Mitigations, References, Relationships
2012-05-11 CWE Content Team 2.2 updated References, Relationships
2012-10-30 CWE Content Team 2.3 updated Potential_Mitigations
2014-07-30 CWE Content Team 2.8 updated Detection_Factors
2015-12-07 CWE Content Team 2.9 updated Relationships
2017-11-08 CWE Content Team 3.0 updated Affected_Resources, Applicable_Platforms, Likelihood_of_Exploit, Modes_of_Introduction, References, Relationships, Weakness_Ordinalities
2019-01-03 CWE Content Team 3.2 updated References, Relationships, Taxonomy_Mappings
2019-06-20 CWE Content Team 3.3 updated Related_Attack_Patterns
2019-09-19 CWE Content Team 3.4 updated Relationships
2020-02-24 CWE Content Team 4.0 updated Applicable_Platforms, Potential_Mitigations
2020-06-25 CWE Content Team 4.1 updated Potential_Mitigations, Relationship_Notes
2020-08-20 CWE Content Team 4.2 updated Relationships
2020-12-10 CWE Content Team 4.3 updated Relationships
2021-03-15 CWE Content Team 4.4 updated Demonstrative_Examples
2021-07-20 CWE Content Team 4.5 updated Relationships
2021-10-28 CWE Content Team 4.6 updated Relationships
2022-04-28 CWE Content Team 4.7 updated Research_Gaps
2022-06-28 CWE Content Team 4.8 updated Relationships
2022-10-13 CWE Content Team 4.9 updated References
2023-01-31 CWE Content Team 4.10 updated Alternate_Terms, Description
2023-04-27 CWE Content Team 4.11 updated References, Relationships
2023-06-29 CWE Content Team 4.12 updated Mapping_Notes, Relationships
2024-02-29 CWE Content Team 4.14 updated Observed_Examples
2024-07-16 CWE Content Team 4.15 updated Common_Consequences, Description, Diagram, Weakness_Ordinalities
2024-11-19 CWE Content Team 4.16 updated Relationships
2025-09-09 CWE Content Team 4.18 updated Detection_Factors, References
2025-12-11 CWE Content Team 4.19 updated Relationships
2026-04-30 CWE Content Team 4.20 updated Applicable_Platforms, Relationships

Contributions

Type Name Date Comment
Content Abhi Balakrishnan 2024-02-29 Provided diagram to improve CWE usability
cvelogic Threat Intelligence