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.
6250 vulnerabilities reference this CWE, most recent first.
CVE-2026-18080 (GCVE-0-2026-18080)
Vulnerability from cvelistv5 – Published: 2026-08-26 11:05 – Updated: 2026-08-26 12:00
VLAI
EPSS
VEX
Title
ERP: Complete HR, Accounting & CRM Suite Built for WooCommerce <= 1.17.8 - Unauthenticated Arbitrary File Upload via CRM Email Connect IMAP Attachment
Summary
The ERP: Complete HR, Accounting & CRM Suite Built for WooCommerce plugin for WordPress is vulnerable to Unrestricted File Type Upload in all versions up to, and including, 1.17.8 via the save_attachments() function. This is due to missing file extension validation and missing path normalization when CRM Email Connect processes inbound IMAP email attachments. This makes it possible for unauthenticated attackers to send a crafted email to the site's configured inbound mailbox with a forged References header matching the plugin's expected pattern and an attachment filename such as `../helper.php`, causing the cron-based IMAP sync job to write attacker-controlled PHP outside of the .htaccess-protected `crm-attachments` directory and into `wp-content/uploads/`. On configurations where PHP executes in uploads, this can lead to remote code execution. Exploitation requires the CRM module and IMAP Email Connect feature to be enabled and configured.
Severity
9.8 (Critical)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-26 12:00 UTC
CWE
- CWE-434 - Unrestricted Upload of File with Dangerous Type
Assigner
References
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| wedevs | ERP: Complete HR, Accounting & CRM Suite Built for WooCommerce |
Affected:
0 , ≤ 1.17.8
(semver)
|
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CVE-2026-16610 (GCVE-0-2026-16610)
Vulnerability from cvelistv5 – Published: 2026-07-30 04:03 – Updated: 2026-07-30 15:17
VLAI
EPSS
VEX
Title
Admin and Site Enhancements (ASE) Pro <= 8.9.0 - Unauthenticated Remote Code Execution via PHP Code Injection via cfgroup[input] Repeater Row Key
Summary
The Admin and Site Enhancements (ASE) Pro plugin for WordPress is vulnerable to Remote Code Execution in all versions up to, and including, 8.9.0 via the recursive_html function. This is due to the frontend save handler enforces only a publicly emitted nonce with no authentication check, CAPTCHA validation is bypassable by omitting an attacker-supplied key, and repeater row keys from cfgroup[input] are stored verbatim and later spliced into an eval() call in recursive_html without any sanitization or identifier validation. This makes it possible for unauthenticated attackers to execute code on the server. This requires the [post_cf_form] shortcode to be present on at least one publicly accessible page, as the nonce and session ID needed to reach the vulnerable save handler are emitted to unauthenticated visitors by that shortcode.
Severity
9.8 (Critical)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-30 14:22 UTC
CWE
- CWE-434 - Unrestricted Upload of File with Dangerous Type
Assigner
References
2 references
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| ASE | Admin and Site Enhancements (ASE) Pro |
Affected:
0 , ≤ 8.9.0
(semver)
|
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CVE-2026-16601 (GCVE-0-2026-16601)
Vulnerability from cvelistv5 – Published: 2026-08-25 07:39 – Updated: 2026-08-27 15:01
VLAI
EPSS
VEX
Title
CM Map Locations <= 2.1.8 - Authenticated (Subscriber+) Arbitrary File Upload via cmloc_route_image_upload AJAX Action
Summary
The CM Map Locations – Visualize and share your locations in a few clicks plugin for WordPress is vulnerable to Limited Arbitrary File Upload in all versions up to, and including, 2.1.8 via the uploadMedia function. This is due to insufficient file type validation in the upload handler, which performs incomplete extension filtering without MIME-type checks or upload capability verification before passing attacker-supplied files to move_uploaded_file(). This makes it possible for authenticated attackers, with subscriber-level access and above, to upload files that may be executable, which makes remote code execution possible. The required nonce is exposed to any logged-in Subscriber via the CMLOC_Editor_Images JavaScript object on the front-end location editor page.
Severity
8.8 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-27 15:00 UTC
CWE
- CWE-434 - Unrestricted Upload of File with Dangerous Type
Assigner
References
9 references
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| creativemindssolutions | CM Map Locations – Visualize and share your locations in a few clicks |
Affected:
0 , ≤ 2.1.8
(semver)
|
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CVE-2026-16451 (GCVE-0-2026-16451)
Vulnerability from cvelistv5 – Published: 2026-07-21 16:45 – Updated: 2026-07-22 14:40
VLAI
EPSS
VEX
Title
zsadmin2025 ZS-Admin com.zs.file.controller.SysFileController upload unrestricted upload
Summary
A security flaw has been discovered in zsadmin2025 ZS-Admin up to b52e14536d59fda11e56e2536a1c32e82a38cead. This impacts an unknown function of the file /api/system/file/upload of the component com.zs.file.controller.SysFileController. Performing a manipulation of the argument File results in unrestricted upload. It is possible to initiate the attack remotely. The exploit has been released to the public and may be used for attacks. This product is using a rolling release to provide continious delivery. Therefore, no version details for affected nor updated releases are available. 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 · CISA-ADP (v2.0.3)
Decision recorded 2026-07-22 14:40 UTC
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://vuldb.com/vuln/380830 | vdb-entrytechnical-description |
| https://vuldb.com/vuln/380830/cti | signaturepermissions-required |
| https://vuldb.com/cve/CVE-2026-16451 | third-party-advisory |
| https://vuldb.com/submit/858792 | third-party-advisory |
| https://github.com/zsadmin2025/zs-admin-java/issues/6 | exploitissue-tracking |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| zsadmin2025 | ZS-Admin |
Affected:
b52e14536d59fda11e56e2536a1c32e82a38cead
cpe:2.3:a:zsadmin2025:zs-admin:*:*:*:*:*:*:*:* |
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CVE-2026-16447 (GCVE-0-2026-16447)
Vulnerability from cvelistv5 – Published: 2026-07-21 13:30 – Updated: 2026-07-22 14:06
VLAI
EPSS
VEX
Title
D-Link DNS-320 multi_uploadify.php unrestricted upload
Summary
A vulnerability has been found in D-Link DNS-320 1.0.2. Impacted is an unknown function of the file /web/jquery/uploader/multi_uploadify.php. The manipulation of the argument Filedata[] leads to unrestricted upload. Remote exploitation of the attack is possible. The exploit has been disclosed to the public and may be used.
Severity
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-22 14:05 UTC
Assigner
References
6 references
| URL | Tags |
|---|---|
| https://vuldb.com/vuln/380826 | vdb-entrytechnical-description |
| https://vuldb.com/vuln/380826/cti | signaturepermissions-required |
| https://vuldb.com/cve/CVE-2026-16447 | third-party-advisory |
| https://vuldb.com/submit/858466 | third-party-advisory |
| https://ucn9h68n9289.feishu.cn/docx/KttYdnLfzotGU… | exploit |
| https://www.dlink.com/ | product |
Impacted products
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CVE-2026-16332 (GCVE-0-2026-16332)
Vulnerability from cvelistv5 – Published: 2026-07-21 01:30 – Updated: 2026-07-23 14:32
VLAI
EPSS
VEX
Title
D-Link DNS-320 multi_uploadify.php unrestricted upload
Summary
A vulnerability was detected in D-Link DNS-320 1.0.2. This impacts an unknown function of the file /mydlink/multi_uploadify.php. Performing a manipulation of the argument Filedata[] results in unrestricted upload. The attack is possible to be carried out remotely. The exploit is now public and may be used.
Severity
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-23 14:32 UTC
Assigner
References
6 references
| URL | Tags |
|---|---|
| https://vuldb.com/vuln/380698 | vdb-entrytechnical-description |
| https://vuldb.com/vuln/380698/cti | signaturepermissions-required |
| https://vuldb.com/cve/CVE-2026-16332 | third-party-advisory |
| https://vuldb.com/submit/858465 | third-party-advisory |
| https://ucn9h68n9289.feishu.cn/docx/EbAkdl1v8oC3Q… | exploit |
| https://www.dlink.com/ | product |
Impacted products
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CVE-2026-16331 (GCVE-0-2026-16331)
Vulnerability from cvelistv5 – Published: 2026-07-21 00:45 – Updated: 2026-07-22 14:15
VLAI
EPSS
VEX
Title
D-Link DNS-320 save_ajax.php unrestricted upload
Summary
A security vulnerability has been detected in D-Link DNS-320 1.0.2. This affects an unknown function of the file /web/function/save_ajax.php. Such manipulation of the argument Malicious Handler leads to unrestricted upload. The attack can be executed remotely. The exploit has been disclosed publicly and may be used.
Severity
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-22 14:15 UTC
Assigner
References
6 references
| URL | Tags |
|---|---|
| https://vuldb.com/vuln/380697 | vdb-entrytechnical-description |
| https://vuldb.com/vuln/380697/cti | signaturepermissions-required |
| https://vuldb.com/cve/CVE-2026-16331 | third-party-advisory |
| https://vuldb.com/submit/858464 | third-party-advisory |
| https://ucn9h68n9289.feishu.cn/docx/UZ6id3F1Joqlp… | exploit |
| https://www.dlink.com/ | product |
Impacted products
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CVE-2026-16330 (GCVE-0-2026-16330)
Vulnerability from cvelistv5 – Published: 2026-07-21 00:30 – Updated: 2026-07-21 14:55
VLAI
EPSS
VEX
Title
D-Link DNS-320 uploadify.php unrestricted upload
Summary
A weakness has been identified in D-Link DNS-320 1.0.2. The impacted element is an unknown function of the file /web/jquery/uploader/uploadify.php. This manipulation of the argument https:/ucn9h68n9289.feishu.cn/wiki/JJcTwHz7aiKeq6kSItMcoeSUnMc?from=from_copylink causes unrestricted upload. Remote exploitation of the attack is possible. The exploit has been made available to the public and could be used for attacks.
Severity
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-21 13:12 UTC
Assigner
References
6 references
| URL | Tags |
|---|---|
| https://vuldb.com/vuln/380696 | vdb-entrytechnical-description |
| https://vuldb.com/vuln/380696/cti | signaturepermissions-required |
| https://vuldb.com/cve/CVE-2026-16330 | third-party-advisory |
| https://vuldb.com/submit/858463 | third-party-advisory |
| https://ucn9h68n9289.feishu.cn/docx/EkMxdLlavojfs… | exploit |
| https://www.dlink.com/ | product |
Impacted products
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CVE-2026-16329 (GCVE-0-2026-16329)
Vulnerability from cvelistv5 – Published: 2026-07-21 00:15 – Updated: 2026-07-22 13:58
VLAI
EPSS
VEX
Title
D-Link DNS-320 uploadify.php unrestricted upload
Summary
A vulnerability was identified in D-Link DNS-320 1.0.2. Impacted is an unknown function of the file /photo_center/php/uploadify.php. The manipulation of the argument Malicious Handler leads to unrestricted upload. The attack may be initiated remotely. The exploit is publicly available and might be used.
Severity
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-22 13:58 UTC
Assigner
References
6 references
| URL | Tags |
|---|---|
| https://vuldb.com/vuln/380694 | vdb-entrytechnical-description |
| https://vuldb.com/vuln/380694/cti | signaturepermissions-required |
| https://vuldb.com/cve/CVE-2026-16329 | third-party-advisory |
| https://vuldb.com/submit/858462 | third-party-advisory |
| https://ucn9h68n9289.feishu.cn/docx/MBHDdPBz4oUXa… | exploit |
| https://www.dlink.com/ | product |
Impacted products
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CVE-2026-16327 (GCVE-0-2026-16327)
Vulnerability from cvelistv5 – Published: 2026-07-20 23:45 – Updated: 2026-07-21 13:07
VLAI
EPSS
VEX
Title
D-Link DNS-320 upload.php unrestricted upload
Summary
A vulnerability was determined in D-Link DNS-320 1.0.2. This issue affects some unknown processing of the file /web/web_file/upload.php. Executing a manipulation of the argument File can lead to unrestricted upload. The attack can be launched remotely. The exploit has been publicly disclosed and may be utilized.
Severity
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-21 13:06 UTC
Assigner
References
6 references
| URL | Tags |
|---|---|
| https://vuldb.com/vuln/380693 | vdb-entrytechnical-description |
| https://vuldb.com/vuln/380693/cti | signaturepermissions-required |
| https://vuldb.com/cve/CVE-2026-16327 | third-party-advisory |
| https://vuldb.com/submit/858455 | third-party-advisory |
| https://ucn9h68n9289.feishu.cn/wiki/JJcTwHz7aiKeq… | exploit |
| https://www.dlink.com/ | product |
Impacted products
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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.