CWE-434
Unrestricted Upload of File with Dangerous Type
The product allows the upload or transfer of dangerous file types that are automatically processed within its environment.
CVE-2023-53922 (GCVE-0-2023-53922)
Vulnerability from cvelistv5 – Published: 2025-12-17 22:44 – Updated: 2026-04-07 14:07
VLAI
Title
TinyWebGallery v2.5 Remote Code Execution via Unrestricted File Upload
Summary
TinyWebGallery v2.5 contains a remote code execution vulnerability in the admin upload functionality that allows unauthenticated attackers to upload malicious PHP files. Attackers can upload .phar files with embedded system commands to execute arbitrary code on the server by accessing the uploaded file's URL.
Severity
9.8 (Critical)
CWE
- CWE-434 - Unrestricted Upload of File with Dangerous Type
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://www.exploit-db.com/exploits/51443 | exploit |
| http://www.tinywebgallery.com/ | product |
| https://www.vulncheck.com/advisories/tinywebgalle… | third-party-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| TinyWebGallery | TinyWebGallery |
Affected:
2.5
|
Date Public
2023-05-23 00:00
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CVE-2023-53924 (GCVE-0-2023-53924)
Vulnerability from cvelistv5 – Published: 2025-12-17 22:44 – Updated: 2026-04-07 14:07
VLAI
Title
UliCMS 2023.1-sniffing-vicuna Remote Code Execution via Avatar Upload
Summary
UliCMS 2023.1-sniffing-vicuna contains a remote code execution vulnerability that allows authenticated attackers to upload PHP files with .phar extension during profile avatar upload. Attackers can trigger code execution by visiting the uploaded file's location, enabling system command execution through maliciously crafted avatar uploads.
Severity
CWE
- CWE-434 - Unrestricted Upload of File with Dangerous Type
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://www.exploit-db.com/exploits/51434 | exploit |
| https://web.archive.org/web/20230314183734/https:… | product |
| https://www.vulncheck.com/advisories/ulicms-sniff… | third-party-advisory |
Date Public
2023-05-05 00:00
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CVE-2023-53933 (GCVE-0-2023-53933)
Vulnerability from cvelistv5 – Published: 2025-12-17 22:44 – Updated: 2026-04-07 14:07
VLAI
Title
Serendipity 2.4.0 Authenticated Remote Code Execution via File Upload
Summary
Serendipity 2.4.0 contains a remote code execution vulnerability that allows authenticated attackers to upload malicious PHP files with .phar extension. Attackers can upload files with system command payloads to the media upload endpoint and execute arbitrary commands on the server.
Severity
CWE
- CWE-434 - Unrestricted Upload of File with Dangerous Type
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://www.exploit-db.com/exploits/51372 | exploit |
| https://docs.s9y.org/ | product |
| https://www.vulncheck.com/advisories/serendipity-… | third-party-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| s9y | Serendipity |
Affected:
2.4.0
|
Date Public
2023-04-20 00:00
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CVE-2023-53942 (GCVE-0-2023-53942)
Vulnerability from cvelistv5 – Published: 2025-12-18 19:53 – Updated: 2026-04-07 14:08
VLAI
Title
File Thingie 2.5.7 Authenticated Arbitrary File Upload Remote Code Execution
Summary
File Thingie 2.5.7 contains an authenticated file upload vulnerability that allows remote attackers to upload malicious PHP zip archives to the web server. Attackers can create a custom PHP payload, upload and unzip it, and then execute arbitrary system commands through a crafted PHP script with a command parameter.
Severity
8.8 (High)
CWE
- CWE-434 - Unrestricted Upload of File with Dangerous Type
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://www.exploit-db.com/exploits/51436 | exploit |
| https://github.com/leefish/filethingie | product |
| https://www.vulncheck.com/advisories/file-thingie… | third-party-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| leefish | File Thingie |
Affected:
2.5.7
|
Date Public
2023-05-05 00:00
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CVE-2023-53950 (GCVE-0-2023-53950)
Vulnerability from cvelistv5 – Published: 2025-12-19 21:07 – Updated: 2026-05-14 02:07
VLAI
Title
InnovaStudio WYSIWYG Editor 5.4 Unrestricted File Upload via Filename Manipulation
Summary
InnovaStudio WYSIWYG Editor 5.4 contains an unrestricted file upload vulnerability that allows attackers to bypass file extension restrictions through filename manipulation. Attackers can upload malicious ASP shells by using null byte techniques and alternate file extensions to circumvent upload controls in the asset manager.
Severity
9.8 (Critical)
CWE
- CWE-434 - Unrestricted Upload of File with Dangerous Type
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://www.exploit-db.com/exploits/51362 | exploit |
| https://innovastudio.com | product |
| https://www.vulncheck.com/advisories/innovastudio… | third-party-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| innovastudio | WYSIWYG Editor |
Affected:
0 , ≤ 5.4
(custom)
|
Date Public
2023-04-14 00:00
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CVE-2023-53952 (GCVE-0-2023-53952)
Vulnerability from cvelistv5 – Published: 2025-12-19 21:05 – Updated: 2026-04-07 14:08
VLAI
Title
Dotclear 2.25.3 Authenticated Remote Code Execution via File Upload
Summary
Dotclear 2.25.3 contains a remote code execution vulnerability that allows authenticated attackers to upload malicious PHP files with .phar extension through the blog post creation interface. Attackers can upload files containing PHP system commands that execute when the uploaded file is accessed, enabling arbitrary code execution on the server.
Severity
CWE
- CWE-434 - Unrestricted Upload of File with Dangerous Type
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://www.exploit-db.com/exploits/51353 | exploit |
| https://dotclear.org/ | technical-description |
| https://www.vulncheck.com/advisories/dotclear-aut… | third-party-advisory |
Date Public
2023-04-08 00:00
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CVE-2023-53956 (GCVE-0-2023-53956)
Vulnerability from cvelistv5 – Published: 2025-12-19 21:05 – Updated: 2026-04-07 14:08
VLAI
Title
Flatnux 2021-03.25 Authenticated File Upload Remote Code Execution
Summary
Flatnux 2021-03.25 contains an authenticated file upload vulnerability that allows administrative users to upload arbitrary PHP files through the file manager. Attackers with admin credentials can upload malicious PHP scripts to the web root directory, enabling remote code execution on the server.
Severity
CWE
- CWE-434 - Unrestricted Upload of File with Dangerous Type
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://www.exploit-db.com/exploits/51295 | exploit |
| http://flatnux.altervista.org/flatnux.html | product |
| https://www.vulncheck.com/advisories/flatnux-auth… | third-party-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| altervista | flatnux |
Affected:
2021-03.25
|
Date Public
2023-04-06 00:00
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CVE-2023-53971 (GCVE-0-2023-53971)
Vulnerability from cvelistv5 – Published: 2025-12-22 21:35 – Updated: 2026-04-07 14:08
VLAI
Title
WebTareas 2.4 Authenticated Remote Code Execution via File Upload
Summary
WebTareas 2.4 contains a file upload vulnerability that allows authenticated users to upload malicious PHP files through the chat photo upload functionality. Attackers can upload a PHP file with arbitrary code to the /files/Messages/ directory and execute it directly through the generated file path.
Severity
CWE
- CWE-434 - Unrestricted Upload of File with Dangerous Type
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://www.exploit-db.com/exploits/51089 | exploit |
| https://sourceforge.net/projects/webtareas/ | product |
| https://www.vulncheck.com/advisories/webtareas-au… | third-party-advisory |
Date Public
2023-03-27 00:00
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CVE-2023-53980 (GCVE-0-2023-53980)
Vulnerability from cvelistv5 – Published: 2025-12-22 21:35 – Updated: 2026-03-05 12:03
VLAI
Title
ProjectSend r1605 Remote Code Execution via File Extension Manipulation
Summary
ProjectSend r1605 contains a remote code execution vulnerability that allows attackers to upload malicious files by manipulating file extensions. Attackers can upload shell scripts with disguised extensions through the upload.process.php endpoint to execute arbitrary commands on the server.
Severity
9.8 (Critical)
CWE
- CWE-434 - Unrestricted Upload of File with Dangerous Type
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://www.exploit-db.com/exploits/51238 | exploit |
| https://www.projectsend.org/ | product |
| https://www.vulncheck.com/advisories/projectsend-… | third-party-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| ProjectSend | projectSend |
Affected:
r1605
|
Date Public
2023-01-26 00:00
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CVE-2023-5488 (GCVE-0-2023-5488)
Vulnerability from cvelistv5 – Published: 2023-10-10 14:00 – Updated: 2024-08-02 07:59
VLAI
Title
Byzoro Smart S45F Multi-Service Secure Gateway Intelligent Management Platform updatelib.php unrestricted upload
Summary
A vulnerability was found in Byzoro Smart S45F Multi-Service Secure Gateway Intelligent Management Platform up to 20230928. It has been rated as critical. Affected by this issue is some unknown functionality of the file /sysmanage/updatelib.php. The manipulation of the argument file_upload leads to unrestricted upload. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. The identifier of this vulnerability is VDB-241640. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.
Severity
6.3 (Medium)
6.3 (Medium)
CWE
- CWE-434 - Unrestricted Upload
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://vuldb.com/?id.241640 | vdb-entrytechnical-description |
| https://vuldb.com/?ctiid.241640 | signaturepermissions-required |
| https://vuldb.com/?submit.213945 | third-party-advisory |
| https://github.com/llixixi/cve/blob/main/s45_uplo… | exploitpatch |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Byzoro | Smart S45F Multi-Service Secure Gateway Intelligent Management Platform |
Affected:
20230928
|
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Mitigation
Phase: Architecture and Design
Description:
- 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 ID: MIT-21
Phase: Architecture and Design
Strategy: Enforcement by Conversion
Description:
- 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
Phase: Architecture and Design
Description:
- Consider storing the uploaded files outside of the web document root entirely. Then, use other mechanisms to deliver the files dynamically. [REF-423]
Mitigation ID: MIT-5
Phase: Implementation
Strategy: Input Validation
Description:
- 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
Phase: Architecture and Design
Description:
- 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
Phase: Implementation
Strategy: Input Validation
Description:
- 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
Phase: Implementation
Description:
- When running on a web server that supports case-insensitive filenames, perform case-insensitive evaluations of the extensions that are provided.
Mitigation ID: MIT-15
Phase: Architecture and Design
Description:
- 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
Phase: Implementation
Description:
- 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
Phase: Implementation
Description:
- 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 ID: MIT-17
Phases: Architecture and Design, Operation
Strategy: Environment Hardening
Description:
- 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 ID: MIT-22
Phases: Architecture and Design, Operation
Strategy: Sandbox or Jail
Description:
- 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.