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-2021-24499 (GCVE-0-2021-24499)
Vulnerability from cvelistv5 – Published: 2021-08-09 00:00 – Updated: 2024-08-03 19:35
VLAI
Title
Workreap theme < 2.2.2 - Unauthenticated Upload Leading to Remote Code Execution
Summary
The Workreap WordPress theme before 2.2.2 AJAX actions workreap_award_temp_file_uploader and workreap_temp_file_uploader did not perform nonce checks, or validate that the request is from a valid user in any other way. The endpoints allowed for uploading arbitrary files to the uploads/workreap-temp directory. Uploaded files were neither sanitized nor validated, allowing an unauthenticated visitor to upload executable code such as php scripts.
Severity
No CVSS data available.
CWE
- CWE-434 - Unrestricted Upload of File with Dangerous Type
Assigner
References
Impacted products
Credits
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CVE-2021-24620 (GCVE-0-2021-24620)
Vulnerability from cvelistv5 – Published: 2021-09-13 17:56 – Updated: 2024-08-03 19:35
VLAI
Title
Simple eCommerce <= 2.2.5 - Arbitrary File Upload
Summary
The WordPress Simple Ecommerce Shopping Cart Plugin- Sell products through Paypal plugin through 2.2.5 does not check for the uploaded Downloadable Digital product file, allowing any file, such as PHP to be uploaded by an administrator. Furthermore, as there is no CSRF in place, attackers could also make a logged admin upload a malicious PHP file, which would lead to RCE
Severity
No CVSS data available.
CWE
- CWE-434 - Unrestricted Upload of File with Dangerous Type
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://wpscan.com/vulnerability/1f2b3c4a-f7e9-4d… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Unknown | WordPress Simple Ecommerce Shopping Cart Plugin- Sell products through Paypal |
Affected:
2.2.5 , ≤ 2.2.5
(custom)
|
Credits
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CVE-2021-24663 (GCVE-0-2021-24663)
Vulnerability from cvelistv5 – Published: 2021-09-20 10:06 – Updated: 2024-08-03 19:42
VLAI
Title
Simple School Staff Directory <= 1.1 - Admin+ Arbitrary File Upload
Summary
The Simple Schools Staff Directory WordPress plugin through 1.1 does not validate uploaded logo pictures to ensure that are indeed images, allowing high privilege users such as admin to upload arbitrary file like PHP, leading to RCE
Severity
No CVSS data available.
CWE
- CWE-434 - Unrestricted Upload of File with Dangerous Type
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://wpscan.com/vulnerability/8b5b5b57-50c5-4c… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Unknown | Simple Schools Staff Directory |
Affected:
1.1 , ≤ 1.1
(custom)
|
Credits
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CVE-2021-24960 (GCVE-0-2021-24960)
Vulnerability from cvelistv5 – Published: 2022-03-07 08:16 – Updated: 2024-08-03 19:49
VLAI
Title
WordPress File Upload < 4.16.3 - Contributor+ Stored Cross-Site Scripting via Malicious SVG
Summary
The WordPress File Upload WordPress plugin before 4.16.3, wordpress-file-upload-pro WordPress plugin before 4.16.3 allows users with a role as low as Contributor to configure the upload form in a way that allows uploading of SVG files, which could be then be used for Cross-Site Scripting attacks
Severity
No CVSS data available.
CWE
- CWE-434 - Unrestricted Upload of File with Dangerous Type
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://wpscan.com/vulnerability/18902832-2973-49… | x_refsource_MISC |
| https://plugins.trac.wordpress.org/changeset/2677722 | x_refsource_CONFIRM |
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Unknown | WordPress File Upload |
Affected:
4.16.3 , < 4.16.3
(custom)
|
|
| Unknown | wordpress-file-upload-pro |
Affected:
4.16.3 , < 4.16.3
(custom)
|
Credits
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CVE-2021-24981 (GCVE-0-2021-24981)
Vulnerability from cvelistv5 – Published: 2021-12-21 08:45 – Updated: 2024-08-03 19:49
VLAI
Title
Directorist – Business Directory Plugin < 7.0.6.2 - CSRF to Remote File Upload
Summary
The Directorist WordPress plugin before 7.0.6.2 was vulnerable to Cross-Site Request Forgery to Remote File Upload leading to arbitrary PHP shell uploads in the wp-content/plugins directory.
Severity
No CVSS data available.
CWE
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://wpscan.com/vulnerability/4c45df6d-b3f6-49… | x_refsource_MISC |
| https://blog.sucuri.net/2021/11/fake-ransomware-i… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Unknown | Directorist – Business Directory Plugin |
Affected:
7.0.6.2 , < 7.0.6.2
(custom)
|
Credits
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CVE-2021-25119 (GCVE-0-2021-25119)
Vulnerability from cvelistv5 – Published: 2022-05-16 14:30 – Updated: 2024-08-03 19:56
VLAI
Title
AGIL <= 1.0 - Admin+ Arbitrary File Upload
Summary
The AGIL WordPress plugin through 1.0 accepts all zip files and automatically extracts the zip file without validating the extracted file type. Allowing high privilege users such as admin to upload an arbitrary file like PHP, leading to RCE
Severity
No CVSS data available.
CWE
- CWE-434 - Unrestricted Upload of File with Dangerous Type
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://wpscan.com/vulnerability/47235989-d9f1-48… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Unknown | AGIL(Automatic Grid Image Listing) |
Affected:
1.0 , ≤ 1.0
(custom)
|
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CVE-2021-26628 (GCVE-0-2021-26628)
Vulnerability from cvelistv5 – Published: 2022-04-26 18:21 – Updated: 2024-08-03 20:26
VLAI
Title
MaxBoard XSS and File Upload Vulnerability
Summary
Insufficient script validation of the admin page enables XSS, which causes unauthorized users to steal admin privileges. When uploading file in a specific menu, the verification of the files is insufficient. It allows remote attackers to upload arbitrary files disguising them as image files.
Severity
8.1 (High)
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://www.krcert.or.kr/krcert/secNoticeView.do?… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| No Vendor Information | MaxBoard |
Affected:
unspecified , ≤ 1.9.6
(custom)
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CVE-2021-26634 (GCVE-0-2021-26634)
Vulnerability from cvelistv5 – Published: 2022-06-01 14:59 – Updated: 2024-08-03 20:26
VLAI
Title
Maxboard multiple vulnerabilities
Summary
SQL injection and file upload attacks are possible due to insufficient validation of input values in some parameters and variables of files compromising Maxboard, which may lead to arbitrary code execution or privilege escalation. Attackers can use these vulnerabilities to perform attacks such as stealing server management rights using a web shell.
Severity
9.8 (Critical)
CWE
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://www.krcert.or.kr/krcert/secNoticeView.do?… | x_refsource_MISC |
Impacted products
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CVE-2021-26642 (GCVE-0-2021-26642)
Vulnerability from cvelistv5 – Published: 2023-01-20 00:00 – Updated: 2025-04-03 16:59
VLAI
Title
XpressEngine file upload vulnerability
Summary
When uploading an image file to a bulletin board developed with XpressEngine, a vulnerability in which an arbitrary file can be uploaded due to insufficient verification of the file. A remote attacker can use this vulnerability to execute arbitrary code on the server where the bulletin board is running.
Severity
8.8 (High)
CWE
- CWE-434 - Unrestricted Upload of File with Dangerous Type
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| XEHub | XE3 XpresesEngine |
Affected:
3.0.14 , ≤ 3.0.14
(custom)
|
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CVE-2021-27274 (GCVE-0-2021-27274)
Vulnerability from cvelistv5 – Published: 2021-03-29 20:55 – Updated: 2024-08-03 20:48
VLAI
Summary
This vulnerability allows remote attackers to execute arbitrary code on affected installations of NETGEAR ProSAFE Network Management System 1.6.0.26. Authentication is not required to exploit this vulnerability. The specific flaw exists within the MFileUploadController class. The issue results from the lack of proper validation of a user-supplied path prior to using it in file operations. An attacker can leverage this vulnerability to execute code in the context of SYSTEM. Was ZDI-CAN-12124.
Severity
9.8 (Critical)
CWE
- CWE-434 - Unrestricted Upload of File with Dangerous Type
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://kb.netgear.com/000062688/Security-Advisor… | x_refsource_MISC |
| https://www.zerodayinitiative.com/advisories/ZDI-… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| NETGEAR | ProSAFE Network Management System |
Affected:
1.6.0.26
|
Credits
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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.