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-2022-4949 (GCVE-0-2022-4949)
Vulnerability from cvelistv5 – Published: 2023-06-07 01:51 – Updated: 2026-04-08 17:32
VLAI
Title
AdSanity < 1.8.2 - Authenticated Arbitrary File Upload
Summary
The AdSanity plugin for WordPress is vulnerable to arbitrary file uploads due to missing file type validation in the 'ajax_upload' function in versions up to, and including, 1.8.1. This makes it possible for authenticated attackers with Contributor+ level privileges to upload arbitrary files on the affected sites server which makes remote code execution possible.
Severity
8.8 (High)
CWE
- CWE-434 - Unrestricted Upload of File with Dangerous Type
Assigner
References
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| https://adsanityplugin.com/ | AdSanity |
Affected:
0 , < 1.8.2
(semver)
|
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CVE-2022-50893 (GCVE-0-2022-50893)
Vulnerability from cvelistv5 – Published: 2026-01-13 22:56 – Updated: 2026-04-07 14:06
VLAI
Title
VIAVIWEB Wallpaper Admin 1.0 - Code Execution via Image Upload
Summary
VIAVIWEB Wallpaper Admin 1.0 contains an unauthenticated remote code execution vulnerability in the image upload functionality. Attackers can upload a malicious PHP file through the add_gallery_image.php endpoint to execute arbitrary code 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/51033 | exploit |
| https://www.viaviweb.com | product |
| https://www.vulncheck.com/advisories/viaviweb-wal… | third-party-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| VIAVIWEB | VIAVIWEB Wallpaper Admin |
Affected:
1.0
|
Date Public
2023-03-22 00:00
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CVE-2022-50898 (GCVE-0-2022-50898)
Vulnerability from cvelistv5 – Published: 2026-01-13 22:51 – Updated: 2026-01-29 13:43
VLAI
Title
NanoCMS 0.4 - Remote Code Execution (RCE) (Authenticated)
Summary
NanoCMS 0.4 contains an authenticated file upload vulnerability that allows remote code execution through unvalidated page content creation. Authenticated attackers can upload PHP files with arbitrary code to the server's pages directory by exploiting the page creation mechanism without proper input sanitization.
Severity
CWE
- CWE-434 - Unrestricted Upload of File with Dangerous Type
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://www.exploit-db.com/exploits/50997 | exploit |
| https://github.com/kalyan02/NanoCMS | product |
| https://github.com/ishell/Exploits-Archives/blob/… | exploit |
| https://www.vulncheck.com/advisories/nanocms-remo… | third-party-advisory |
Date Public
2022-07-26 00:00
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CVE-2022-50907 (GCVE-0-2022-50907)
Vulnerability from cvelistv5 – Published: 2026-01-13 22:51 – Updated: 2026-04-07 14:06
VLAI
Title
e107 CMS v3.2.1 - Admin Upload Restriction Bypass + RCE
Summary
e107 CMS version 3.2.1 contains a file upload vulnerability that allows authenticated administrative users to bypass upload restrictions and execute PHP files. Attackers can upload malicious PHP files to parent directories by manipulating the upload URL parameter, enabling remote code execution through the Media Manager import feature.
Severity
CWE
- CWE-434 - Unrestricted Upload of File with Dangerous Type
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://www.exploit-db.com/exploits/50910 | exploit |
| https://e107.org/ | product |
| https://e107.org/download | product |
| https://www.vulncheck.com/advisories/e-cms-admin-… | third-party-advisory |
Date Public
2022-05-11 00:00
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CVE-2022-50912 (GCVE-0-2022-50912)
Vulnerability from cvelistv5 – Published: 2026-01-13 22:51 – Updated: 2026-03-05 01:29
VLAI
Title
ImpressCMS 1.4.4 - Unrestricted File Upload
Summary
ImpressCMS 1.4.4 contains a file upload vulnerability with weak extension sanitization that allows attackers to upload potentially malicious files. Attackers can bypass file upload restrictions by using alternative file extensions .php2.php6.php7.phps.pht to execute arbitrary PHP code on the server.
Severity
9.8 (Critical)
CWE
- CWE-434 - Unrestricted Upload of File with Dangerous Type
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://www.exploit-db.com/exploits/50890 | exploit |
| https://www.impresscms.org/ | product |
| https://github.com/ImpressCMS/impresscms | product |
| https://www.vulncheck.com/advisories/impresscms-u… | third-party-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| ImpressCMS | ImpressCMS |
Affected:
1.4.4
|
Date Public
2022-07-04 00:00
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CVE-2022-50916 (GCVE-0-2022-50916)
Vulnerability from cvelistv5 – Published: 2026-01-13 22:51 – Updated: 2026-04-07 14:06
VLAI
Title
e107 CMS v3.2.1 - Upload restriction bypass (Authenticated [Admin])+ Server file override
Summary
e107 CMS version 3.2.1 contains a file upload vulnerability that allows authenticated administrators to override server files through the Media Manager import functionality. Attackers can exploit the upload mechanism by manipulating the upload URL parameter to overwrite existing files like top.php in the web application directory.
Severity
CWE
- CWE-434 - Unrestricted Upload of File with Dangerous Type
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://www.exploit-db.com/exploits/50910 | exploit |
| https://e107.org/ | product |
| https://e107.org/download | product |
| https://www.vulncheck.com/advisories/e-cms-upload… | third-party-advisory |
Date Public
2022-05-11 00:00
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CVE-2022-50936 (GCVE-0-2022-50936)
Vulnerability from cvelistv5 – Published: 2026-01-13 22:52 – Updated: 2026-03-05 01:29
VLAI
Title
WBCE CMS 1.5.2 - Remote Code Execution (RCE) (Authenticated)
Summary
WBCE CMS version 1.5.2 contains an authenticated remote code execution vulnerability that allows attackers to upload malicious droplets through the admin panel. Authenticated attackers can exploit the droplet upload functionality in the admin tools to create and execute arbitrary PHP code by crafting a specially designed zip file payload.
Severity
CWE
- CWE-434 - Unrestricted Upload of File with Dangerous Type
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://www.exploit-db.com/exploits/50707 | exploit |
| https://wbce.org/ | product |
| https://wbce.org/de/downloads/ | product |
| https://github.com/WBCE/WBCE_CMS | product |
| https://www.vulncheck.com/advisories/wbce-cms-rem… | third-party-advisory |
Date Public
2022-02-01 00:00
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CVE-2022-50939 (GCVE-0-2022-50939)
Vulnerability from cvelistv5 – Published: 2026-01-13 22:52 – Updated: 2026-04-07 14:06
VLAI
Title
e107 CMS v3.2.1 - Upload Restriction Bypass with Path Traversal File Override
Summary
e107 CMS version 3.2.1 contains a critical file upload vulnerability that allows authenticated administrators to override arbitrary server files through path traversal. The vulnerability exists in the Media Manager's remote URL upload functionality (image.php) where the upload_caption parameter is not properly sanitized. An attacker with administrative privileges can use directory traversal sequences (../../../) in the upload_caption field to overwrite critical system files outside the intended upload directory. This can lead to complete compromise of the web application by overwriting configuration files, executable scripts, or other critical system components. The vulnerability was discovered by Hubert Wojciechowski and affects the image.php component in the admin interface.
Severity
CWE
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://www.exploit-db.com/exploits/50910 | exploit |
| https://e107.org/ | product |
| https://e107.org/download | product |
| https://www.vulncheck.com/advisories/e-cms-upload… | third-party-advisory |
Date Public
2022-05-11 00:00
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CVE-2022-50993 (GCVE-0-2022-50993)
Vulnerability from cvelistv5 – Published: 2026-04-30 16:08 – Updated: 2026-05-14 02:07 X_Known Exploited Vulnerability
VLAI
Title
Weaver E-office < 10.0_20221201 Unauthenticated Arbitrary File Read via XmlRpcServlet
Summary
Weaver (Fanwei) E-office versions prior to 10.0_20221201 contain an unauthenticated arbitrary file upload vulnerability in the OfficeServer.php endpoint that allows remote attackers to upload malicious files by sending multipart POST requests with arbitrary filenames and disguised content types. Attackers can upload PHP webshells to the Document directory and execute them via HTTP GET requests to achieve remote code execution as the web server user. Exploitation evidence was first observed by the Shadowserver Foundation on 2022-10-10 (UTC).
Severity
9.8 (Critical)
CWE
- CWE-434 - Unrestricted Upload of File with Dangerous Type
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://service.e-office.cn/knowledge/detail/5 | release-notespatch |
| https://cn-sec.com/archives/1453025.html | technical-descriptionexploit |
| https://bbs.chaitin.cn/topic/37 | technical-descriptionexploit |
| https://www.vulncheck.com/advisories/weaver-e-off… | third-party-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Weaver Network Co., Ltd. | E-office |
Affected:
0 , < 10.0_20221201
(custom)
|
Date Public
2022-12-01 00:00
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CVE-2023-0257 (GCVE-0-2023-0257)
Vulnerability from cvelistv5 – Published: 2023-01-12 21:09 – Updated: 2024-08-02 05:02
VLAI
Title
SourceCodester Online Food Ordering System Menu Form unrestricted upload
Summary
A vulnerability was found in SourceCodester Online Food Ordering System 2.0. It has been declared as critical. Affected by this vulnerability is an unknown functionality of the file /fos/admin/index.php?page=menu of the component Menu Form. The manipulation of the argument Image with the input <?php system($_GET['c']); ?> leads to unrestricted upload. The attack can be launched remotely. The identifier VDB-218185 was assigned to this vulnerability.
Severity
4.7 (Medium)
4.7 (Medium)
CWE
- CWE-434 - Unrestricted Upload
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://vuldb.com/?id.218185 | vdb-entrytechnical-description |
| https://vuldb.com/?ctiid.218185 | signature |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| SourceCodester | Online Food Ordering System |
Affected:
2.0
|
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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.