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.
5965 vulnerabilities reference this CWE, most recent first.
CVE-2026-48908 (GCVE-0-2026-48908)
Vulnerability from cvelistv5 – Published: 2026-06-20 11:57 – Updated: 2026-07-15 07:48
VLAI
EPSS
VEX
Title
Joomla Extension - joomshaper.com - Remote Code Execution in SP Pagebuilder extension for Joomla < 6.6.2
Summary
A vulnerability in SP Page Builder for Joomla allows unauthenticated users to upload arbitrary files, ultimately resulting in the upload and execution of PHP code.
Severity
SSVC
Exploitation: active
Automatable: yes
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-434 - Unrestricted Upload of File with Dangerous Type
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://www.joomshaper.com/page-builder | product |
| https://mysites.guru/blog/sp-page-builder-zero-da… | third-party-advisory |
| https://www.joomshaper.com/forum/question/45152 | vendor-advisory |
| https://extensions.joomla.org/extension/sp-page-b… | patch |
| https://www.cisa.gov/known-exploited-vulnerabilit… | government-resource |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| joomshaper.net | SP Page Builder extension for Joomla |
Affected:
1.0.0-6.6.1
|
Credits
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CVE-2026-48356 (GCVE-0-2026-48356)
Vulnerability from cvelistv5 – Published: 2026-07-14 19:44 – Updated: 2026-07-15 10:27
VLAI
EPSS
VEX
Title
Adobe Commerce | Unrestricted Upload of File with Dangerous Type (CWE-434)
Summary
Adobe Commerce is affected by an Unrestricted Upload of File with Dangerous Type vulnerability that could result in arbitrary code execution in the context of the current user. An attacker could exploit this vulnerability to inject malicious scripts into a web page, potentially gaining elevated access or control over the victim's account or session. Exploitation of this issue requires user interaction in that a victim must visit a maliciously crafted URL or interact with a compromised web page. Scope is changed.
Severity
9.6 (Critical)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-434 - Unrestricted Upload of File with Dangerous Type (CWE-434)
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://helpx.adobe.com/security/products/magento… | vendor-advisory |
Impacted products
4 products
| Vendor | Product | Version | |
|---|---|---|---|
| Adobe | Adobe Commerce |
Affected:
0 , ≤ 2.4.9, 2.4.8-p5, 2.4.7-p10, 2.4.6-p15, 2.4.5-p17, 2.4.4-p18
(semver)
Unaffected: 2.4.9-2026-jul, 2.4.8-2026-jul, 2.4.7-2026-jul, 2.4.6-2026-jul, 2.4.5-2026-jul, 2.4.4-2026-jul (semver) |
|
| Adobe | Adobe Commerce B2B |
Affected:
0 , ≤ 1.5.3, 1.5.2-p5, 1.4.2-p10, 1.3.4-p17, 1.3.3-p18
(semver)
Unaffected: 1.5.3-2026-jul, 1.5.2-2026-jul, 1.4.2-2026-jul, 1.3.4-2026-jul, 1.3.3-2026-jul (semver) |
|
| Adobe | Magento Open Source |
Affected:
0 , ≤ 2.4.9, 2.4.8-p5, 2.4.7-p10, 2.4.6-p15
(semver)
Unaffected: 2.4.9-2026-jul, 2.4.8-2026-jul, 2.4.7-2026-jul, 2.4.6-2026-jul (semver) |
|
| Adobe | Adobe Commerce Webhooks Plugin |
Affected:
0 , ≤ 1.20.0
(semver)
Unaffected: 1.21.0 (semver) |
Date Public
2026-07-14 17:00
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CVE-2026-48283 (GCVE-0-2026-48283)
Vulnerability from cvelistv5 – Published: 2026-06-30 15:11 – Updated: 2026-07-01 03:55
VLAI
EPSS
VEX
Title
ColdFusion | Unrestricted Upload of File with Dangerous Type (CWE-434)
Summary
ColdFusion versions 2025.9, 2023.20 and earlier are affected by an Unrestricted Upload of File with Dangerous Type vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation of this issue does not require user interaction. Scope is changed.
Severity
10 (Critical)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-434 - Unrestricted Upload of File with Dangerous Type (CWE-434)
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://helpx.adobe.com/security/products/coldfus… | vendor-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Adobe | ColdFusion |
Affected:
0 , ≤ 2023.20
(semver)
|
Date Public
2026-06-30 17:00
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CVE-2026-48276 (GCVE-0-2026-48276)
Vulnerability from cvelistv5 – Published: 2026-06-30 15:11 – Updated: 2026-07-01 17:28
VLAI
EPSS
VEX
Title
ColdFusion | Unrestricted Upload of File with Dangerous Type (CWE-434)
Summary
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Severity
10 (Critical)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-434 - Unrestricted Upload of File with Dangerous Type (CWE-434)
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://helpx.adobe.com/security/products/coldfus… | vendor-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Adobe | ColdFusion |
Affected:
0 , ≤ 2023.20
(semver)
|
Date Public
2026-06-30 17:00
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CVE-2026-46489 (GCVE-0-2026-46489)
Vulnerability from cvelistv5 – Published: 2026-06-11 18:55 – Updated: 2026-06-12 10:31
VLAI
EPSS
VEX
Title
SolidInvoice: Unrestricted file upload with no MIME validation allows stored XSS via malicious SVG logo
Summary
SolidInvoice is an open-source invoicing platform. Prior to version 2.3.17, the company logo upload feature accepts any file type without validation. An authenticated administrator can upload an SVG file containing embedded JavaScript. This script is base64-encoded and injected unescaped into every page of the application, causing stored cross-site scripting (XSS) that executes in every authenticated user's browser. This issue has been patched in version 2.3.17.
Severity
8.1 (High)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/SolidInvoice/SolidInvoice/secu… | x_refsource_CONFIRM |
| https://github.com/SolidInvoice/SolidInvoice/comm… | x_refsource_MISC |
| https://github.com/SolidInvoice/SolidInvoice/rele… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| SolidInvoice | SolidInvoice |
Affected:
< 2.3.17
|
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CVE-2026-46426 (GCVE-0-2026-46426)
Vulnerability from cvelistv5 – Published: 2026-05-27 17:04 – Updated: 2026-05-27 18:02
VLAI
EPSS
VEX
Title
Budibase: Unrestricted Upload of File with Dangerous Type
Summary
Budibase is an open-source low-code platform. Prior to 3.38.2, the file upload endpoint POST /api/attachments/process does not enforce active-content restrictions for authenticated users. The checks for dangerous file extensions are conditionally wrapped inside if (isPublicUser) or if (isPublicUser || !env.SELF_HOSTED), meaning any authenticated builder can upload executable web content — SVG files with inline <script> tags, HTML pages with JavaScript, .js modules — which are then stored in the object store (MinIO/S3) with their correct MIME types. When the resulting signed URL is opened by any app user, the browser executes the payload. Impact is persistent stored XSS over all application end users. This vulnerability is fixed in 3.38.2.
Severity
7.6 (High)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/Budibase/budibase/security/adv… | x_refsource_CONFIRM |
| https://github.com/Budibase/budibase/releases/tag… | x_refsource_MISC |
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CVE-2026-46400 (GCVE-0-2026-46400)
Vulnerability from cvelistv5 – Published: 2026-06-05 19:15 – Updated: 2026-06-08 15:50
VLAI
EPSS
VEX
Title
HAXCMS PHP has a File Upload Validation Bypass
Summary
HAX CMS helps manage microsite universe with PHP or NodeJs backends. Starting in version 11.0.6 and prior to version 25.0.0, the file upload functionality in HAXCMS PHP only validates file extensions using a regex pattern without checking the actual file content or MIME type. This allows attackers to upload malicious files (e.g., PHP webshells) disguised as legitimate image files, potentially leading to remote code execution. Version 25.0.0 contains a fix for the issue.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-434 - Unrestricted Upload of File with Dangerous Type
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/haxtheweb/issues/security/advi… | x_refsource_CONFIRM |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| haxtheweb | haxcms-php |
Affected:
>= 11.0.6, < 25.0.0
|
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CVE-2026-46392 (GCVE-0-2026-46392)
Vulnerability from cvelistv5 – Published: 2026-06-05 18:20 – Updated: 2026-06-05 19:11
VLAI
EPSS
VEX
Title
HAX CMS PHP Has a Stored XSS via Case-Sensitivity Mismatch in HTML Upload Validation
Summary
HAX CMS helps manage microsite universe with PHP or NodeJs backends. Prior to version 26.0.0 of HAX CMS PHP, the `saveFile` endpoint validates upload extensions case-insensitively and writes the filename to disk verbatim, but the `.htaccess` rule that forces `Content-Disposition: attachment` on HTML files is case-sensitive. An HTML file uploaded with an uppercase extension (`.HTML`, `.Html`, `.HTM`) is still served as `text/html` but the forced-download header never applies, so the browser renders it inline and executes any embedded JavaScript in the HAXcms origin. This bypasses the mitigation shipped for CVE-2026-22704. Version 26.0.0 contains a fix.
Severity
8.7 (High)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/haxtheweb/issues/security/advi… | x_refsource_CONFIRM |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| haxtheweb | haxcms-php |
Affected:
< 26.0.0
|
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CVE-2026-45444 (GCVE-0-2026-45444)
Vulnerability from cvelistv5 – Published: 2026-05-20 18:00 – Updated: 2026-05-26 13:16 X_Known Exploited Vulnerability
VLAI
EPSS
VEX
Title
WordPress Gift Cards For WooCommerce Pro plugin <= 4.2.6 - Arbitrary File Upload vulnerability
Summary
Unrestricted Upload of File with Dangerous Type vulnerability in WP Swings Gift Cards For WooCommerce Pro allows Using Malicious Files.
This issue affects Gift Cards For WooCommerce Pro: from n/a through 4.2.6.
Severity
10 (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
1 reference
| URL | Tags |
|---|---|
| https://patchstack.com/database/wordpress/plugin/… | vdb-entry |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| WP Swings | Gift Cards For WooCommerce Pro |
Affected:
n/a , ≤ 4.2.6
(custom)
|
Credits
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CVE-2026-45315 (GCVE-0-2026-45315)
Vulnerability from cvelistv5 – Published: 2026-05-15 21:26 – Updated: 2026-05-19 17:19
VLAI
EPSS
VEX
Title
Open WebUI: Stored XSS via attacker-controlled file extension in /api/v1/audio/transcriptions
Summary
Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.3, the audio transcription upload endpoint takes the file extension from the user-supplied filename and saves the file under CACHE_DIR/audio/transcriptions/.. The /cache/{path} route serves these files via FileResponse, which sets Content-Type from the on-disk extension and emits no Content-Disposition. A verified user with the default-on chat.stt permission can upload a polyglot WAV+HTML file named pwn.html and trick any other user into opening the resulting URL — the response comes back as text/html and any embedded <script> runs in the Open WebUI origin. This vulnerability is fixed in 0.9.3.
Severity
8.7 (High)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/open-webui/open-webui/security… | x_refsource_CONFIRM |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| open-webui | open-webui |
Affected:
< 0.9.3
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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.