Common Weakness Enumeration
CWE-434
AllowedUnrestricted Upload of File with Dangerous Type
Abstraction: Base · Status: Draft
The product allows the upload or transfer of dangerous file types that are automatically processed within its environment.
5969 vulnerabilities reference this CWE, most recent first.
CVE-2026-1306 (GCVE-0-2026-1306)
Vulnerability from cvelistv5 – Published: 2026-02-14 06:42 – Updated: 2026-04-08 17:26
VLAI
EPSS
VEX
Title
midi-Synth <= 1.1.0 - Unauthenticated Arbitrary File Upload via 'export' AJAX Action
Summary
The midi-Synth plugin for WordPress is vulnerable to arbitrary file uploads due to missing file type and file extension validation in the 'export' AJAX action in all versions up to, and including, 1.1.0. This makes it possible for unauthenticated attackers to upload arbitrary files on the affected site's server which may make remote code execution possible granted the attacker can obtain a valid nonce. The nonce is exposed in frontend JavaScript making it trivially accessible to unauthenticated attackers.
Severity
9.8 (Critical)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-434 - Unrestricted Upload of File with Dangerous Type
Assigner
References
6 references
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| adminkov | midi-Synth |
Affected:
0 , ≤ 1.1.0
(semver)
|
Credits
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CVE-2026-1222 (GCVE-0-2026-1222)
Vulnerability from cvelistv5 – Published: 2026-01-20 06:30 – Updated: 2026-01-20 18:26
VLAI
EPSS
VEX
Title
BROWAN COMMUNICATIONS ｜PrismX MX100 AP controller - Arbitrary File Upload
Summary
PrismX MX100 AP controller developed by BROWAN COMMUNICATIONS has an Arbitrary File Upload vulnerability, allowing privileged remote attackers to upload and execute web shell backdoors, thereby enabling arbitrary code execution on the server.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-434 - Unrestricted Upload of File with Dangerous Type
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://www.twcert.org.tw/tw/cp-132-10642-3b808-1.html | third-party-advisory |
| https://www.twcert.org.tw/en/cp-139-10643-2f8d7-2.html | third-party-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| BROWAN COMMUNICATIONS | PrismX MX100 AP controller |
Affected:
0 , < 1.03.23.01
(custom)
|
Date Public
2026-01-20 06:27
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CVE-2026-1152 (GCVE-0-2026-1152)
Vulnerability from cvelistv5 – Published: 2026-01-19 11:32 – Updated: 2026-02-23 08:45
VLAI
EPSS
VEX
Title
technical-laohu mpay QR Code Image unrestricted upload
Summary
A security vulnerability has been detected in technical-laohu mpay up to 1.2.4. The impacted element is an unknown function of the component QR Code Image Handler. Such manipulation of the argument codeimg leads to unrestricted upload. The attack may be launched remotely. The exploit has been disclosed publicly and may be used.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://vuldb.com/?id.341745 | vdb-entrytechnical-description |
| https://vuldb.com/?ctiid.341745 | signaturepermissions-required |
| https://vuldb.com/?submit.735775 | third-party-advisory |
| https://github.com/bdkuzma/vuln/issues/17 | exploitissue-tracking |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| technical-laohu | mpay |
Affected:
1.2.0
Affected: 1.2.1 Affected: 1.2.2 Affected: 1.2.3 Affected: 1.2.4 |
Credits
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CVE-2026-1126 (GCVE-0-2026-1126)
Vulnerability from cvelistv5 – Published: 2026-01-18 16:32 – Updated: 2026-02-23 08:39
VLAI
EPSS
VEX
Title
lwj flow SVG File FormResource.java uploadFile unrestricted upload
Summary
A security vulnerability has been detected in lwj flow up to a3d2fe8133db9d3b50fda4f66f68634640344641. This affects the function uploadFile of the file \flow-master\flow-front-rest\src\main\java\com\dragon\flow\web\resource\flow\FormResource.java of the component SVG File Handler. The manipulation of the argument File leads to unrestricted upload. The attack is possible to be carried out remotely. The exploit has been disclosed publicly and may be used. This product adopts a rolling release strategy to maintain continuous delivery. Therefore, version details for affected or updated releases cannot be specified. The project was informed of the problem early through an issue report but has not responded yet.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://vuldb.com/?id.341718 | vdb-entrytechnical-description |
| https://vuldb.com/?ctiid.341718 | signaturepermissions-required |
| https://vuldb.com/?submit.735122 | third-party-advisory |
| https://gitee.com/lwj/flow/issues/IDIQSE | exploitissue-tracking |
| https://gitee.com/lwj/flow/ | product |
Impacted products
Credits
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CVE-2026-1107 (GCVE-0-2026-1107)
Vulnerability from cvelistv5 – Published: 2026-01-18 00:32 – Updated: 2026-02-23 08:35
VLAI
EPSS
VEX
Title
EyouCMS Member Avatar Diyajax.php check_userinfo unrestricted upload
Summary
A weakness has been identified in EyouCMS up to 1.7.1/5.0. Impacted is the function check_userinfo of the file Diyajax.php of the component Member Avatar Handler. Executing a manipulation of the argument viewfile can lead to unrestricted upload. The attack may be performed from remote. The exploit has been made available to the public and could be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://vuldb.com/?id.341699 | vdb-entrytechnical-description |
| https://vuldb.com/?ctiid.341699 | signaturepermissions-required |
| https://vuldb.com/?submit.731540 | third-party-advisory |
| https://github.com/24-2021/vul3/blob/main/Eyoucms… | broken-link |
| https://github.com/24-2021/vul3/blob/main/Eyoucms… | broken-linkexploit |
Impacted products
Credits
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CVE-2026-1065 (GCVE-0-2026-1065)
Vulnerability from cvelistv5 – Published: 2026-02-03 06:38 – Updated: 2026-04-08 17:03
VLAI
EPSS
VEX
Title
Form Maker by 10Web <= 1.15.35 - Unauthenticated Stored Cross-Site Scripting via SVG file
Summary
The Form Maker by 10Web plugin for WordPress is vulnerable to Stored Cross-Site Scripting in all versions up to, and including, 1.15.35. This is due to the plugin's default file upload allowlist including SVG files combined with weak substring-based extension validation. This makes it possible for unauthenticated attackers to upload malicious SVG files containing JavaScript code that will execute when viewed by administrators or site visitors via file upload fields in forms granted they can submit forms.
Severity
7.2 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-434 - Unrestricted Upload of File with Dangerous Type
Assigner
References
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| 10web | Form Maker by 10Web – Mobile-Friendly Drag & Drop Contact Form Builder |
Affected:
0 , ≤ 1.15.35
(semver)
|
Credits
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CVE-2026-1061 (GCVE-0-2026-1061)
Vulnerability from cvelistv5 – Published: 2026-01-17 19:02 – Updated: 2026-02-23 08:33
VLAI
EPSS
VEX
Title
xiweicheng TMS FileController.java upload unrestricted upload
Summary
A vulnerability was detected in xiweicheng TMS up to 2.28.0. Affected by this issue is the function Upload of the file src/main/java/com/lhjz/portal/controller/FileController.java. The manipulation of the argument filename results in unrestricted upload. The attack may be performed from remote. The exploit is now public and may be used.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://vuldb.com/?id.341629 | vdb-entrytechnical-description |
| https://vuldb.com/?ctiid.341629 | signaturepermissions-required |
| https://vuldb.com/?submit.731240 | third-party-advisory |
| https://github.com/bkglfpp/CVE-md/blob/main/%E5%9… | exploit |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| xiweicheng | TMS |
Affected:
2.0
Affected: 2.1 Affected: 2.2 Affected: 2.3 Affected: 2.4 Affected: 2.5 Affected: 2.6 Affected: 2.7 Affected: 2.8 Affected: 2.9 Affected: 2.10 Affected: 2.11 Affected: 2.12 Affected: 2.13 Affected: 2.14 Affected: 2.15 Affected: 2.16 Affected: 2.17 Affected: 2.18 Affected: 2.19 Affected: 2.20 Affected: 2.21 Affected: 2.22 Affected: 2.23 Affected: 2.24 Affected: 2.25 Affected: 2.26 Affected: 2.27 Affected: 2.28.0 |
Credits
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CVE-2026-1021 (GCVE-0-2026-1021)
Vulnerability from cvelistv5 – Published: 2026-01-16 03:08 – Updated: 2026-01-16 14:41
VLAI
EPSS
VEX
Title
Gotac｜Police Statistics Database System - Arbitrary File Upload
Summary
Police Statistics Database System developed by Gotac has an Arbitrary File Upload vulnerability, allowing unauthenticated remote attacker to upload and execute web shell backdoors, thereby enabling arbitrary code execution on the server.
Severity
9.8 (Critical)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-434 - Unrestricted Upload of File with Dangerous Type
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://www.twcert.org.tw/tw/cp-132-10637-3e4b3-1.html | third-party-advisory |
| https://www.twcert.org.tw/en/cp-139-10638-0e44b-2.html | third-party-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Gotac | Police Statistics Database System |
Affected:
0 , ≤ 1.0.2
(custom)
|
Date Public
2026-01-16 03:07
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CVE-2026-0911 (GCVE-0-2026-0911)
Vulnerability from cvelistv5 – Published: 2026-01-24 12:27 – Updated: 2026-04-08 16:41
VLAI
EPSS
VEX
Title
Hustle <= 7.8.9.2 - Authenticated (Subscriber+) Arbitrary File Upoload via Module Import
Summary
The Hustle – Email Marketing, Lead Generation, Optins, Popups plugin for WordPress is vulnerable to arbitrary file uploads due to incorrect file type validation in the action_import_module() function in all versions up to, and including, 7.8.9.2. This makes it possible for authenticated attackers, with a lower-privileged role (e.g., Subscriber-level access and above), to upload arbitrary files on the affected site's server which may make remote code execution possible. Successful exploitation requires an admin to grant Hustle module permissions (or module edit access) to the low-privileged user so they can access the Hustle admin page and obtain the required nonce.
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-434 - Unrestricted Upload of File with Dangerous Type
Assigner
References
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| wpmudev | Hustle – Email Marketing, Lead Generation, Optins, Popups |
Affected:
0 , ≤ 7.8.9.2
(semver)
|
Credits
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CVE-2026-0740 (GCVE-0-2026-0740)
Vulnerability from cvelistv5 – Published: 2026-04-07 04:25 – Updated: 2026-04-08 16:34
VLAI
EPSS
VEX
Title
Ninja Forms - File Upload <= 3.3.26 - Unauthenticated Arbitrary File Upload
Summary
The Ninja Forms - File Uploads plugin for WordPress is vulnerable to arbitrary file uploads due to missing file type validation in the 'NF_FU_AJAX_Controllers_Uploads::handle_upload' function in all versions up to, and including, 3.3.26. This makes it possible for unauthenticated attackers to upload arbitrary files on the affected site's server which may make remote code execution possible. Note: The vulnerability was partially patched in version 3.3.25 and fully patched in version 3.3.27.
Severity
9.8 (Critical)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-434 - Unrestricted Upload of File with Dangerous Type
Assigner
References
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| SaturdayDrive | Ninja Forms - File Uploads |
Affected:
0 , ≤ 3.3.26
(semver)
|
Credits
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Mitigation
Architecture and Design
Generate a new, unique filename for an uploaded file instead of using the user-supplied filename, so that no external input is used at all.[REF-422] [REF-423]
Mitigation MIT-21
Architecture and Design
Strategy: Enforcement by Conversion
When the set of acceptable objects, such as filenames or URLs, is limited or known, create a mapping from a set of fixed input values (such as numeric IDs) to the actual filenames or URLs, and reject all other inputs.
Mitigation
Architecture and Design
Consider storing the uploaded files outside of the web document root entirely. Then, use other mechanisms to deliver the files dynamically. [REF-423]
Mitigation MIT-5
Implementation
Strategy: Input Validation
- Assume all input is malicious. Use an "accept known good" input validation strategy, i.e., use a list of acceptable inputs that strictly conform to specifications. Reject any input that does not strictly conform to specifications, or transform it into something that does.
- When performing input validation, consider all potentially relevant properties, including length, type of input, the full range of acceptable values, missing or extra inputs, syntax, consistency across related fields, and conformance to business rules. As an example of business rule logic, "boat" may be syntactically valid because it only contains alphanumeric characters, but it is not valid if the input is only expected to contain colors such as "red" or "blue."
- Do not rely exclusively on looking for malicious or malformed inputs. This is likely to miss at least one undesirable input, especially if the code's environment changes. This can give attackers enough room to bypass the intended validation. However, denylists can be useful for detecting potential attacks or determining which inputs are so malformed that they should be rejected outright.
- For example, limiting filenames to alphanumeric characters can help to restrict the introduction of unintended file extensions.
Mitigation
Architecture and Design
Define a very limited set of allowable extensions and only generate filenames that end in these extensions. Consider the possibility of XSS (CWE-79) before allowing .html or .htm file types.
Mitigation
Implementation
Strategy: Input Validation
Ensure that only one extension is used in the filename. Some web servers, including some versions of Apache, may process files based on inner extensions so that "filename.php.gif" is fed to the PHP interpreter.[REF-422] [REF-423]
Mitigation
Implementation
When running on a web server that supports case-insensitive filenames, perform case-insensitive evaluations of the extensions that are provided.
Mitigation MIT-15
Architecture and Design
For any security checks that are performed on the client side, ensure that these checks are duplicated on the server side, in order to avoid CWE-602. Attackers can bypass the client-side checks by modifying values after the checks have been performed, or by changing the client to remove the client-side checks entirely. Then, these modified values would be submitted to the server.
Mitigation
Implementation
Do not rely exclusively on sanity checks of file contents to ensure that the file is of the expected type and size. It may be possible for an attacker to hide code in some file segments that will still be executed by the server. For example, GIF images may contain a free-form comments field.
Mitigation
Implementation
Do not rely exclusively on the MIME content type or filename attribute when determining how to render a file. Validating the MIME content type and ensuring that it matches the extension is only a partial solution.
Mitigation MIT-17
Architecture and Design
Operation
Strategy: Environment Hardening
Run your code using the lowest privileges that are required to accomplish the necessary tasks [REF-76]. If possible, create isolated accounts with limited privileges that are only used for a single task. That way, a successful attack will not immediately give the attacker access to the rest of the software or its environment. For example, database applications rarely need to run as the database administrator, especially in day-to-day operations.
Mitigation MIT-22
Architecture and Design
Operation
Strategy: Sandbox or Jail
- Run the code in a "jail" or similar sandbox environment that enforces strict boundaries between the process and the operating system. This may effectively restrict which files can be accessed in a particular directory or which commands can be executed by the software.
- OS-level examples include the Unix chroot jail, AppArmor, and SELinux. In general, managed code may provide some protection. For example, java.io.FilePermission in the Java SecurityManager allows the software to specify restrictions on file operations.
- This may not be a feasible solution, and it only limits the impact to the operating system; the rest of the application may still be subject to compromise.
- Be careful to avoid CWE-243 and other weaknesses related to jails.
CAPEC-1: Accessing Functionality Not Properly Constrained by ACLs
In applications, particularly web applications, access to functionality is mitigated by an authorization framework. This framework maps Access Control Lists (ACLs) to elements of the application's functionality; particularly URL's for web apps. In the case that the administrator failed to specify an ACL for a particular element, an attacker may be able to access it with impunity. An attacker with the ability to access functionality not properly constrained by ACLs can obtain sensitive information and possibly compromise the entire application. Such an attacker can access resources that must be available only to users at a higher privilege level, can access management sections of the application, or can run queries for data that they otherwise not supposed to.