CVE-2025-53119
Official description Straight from the sourceThe vendor's or NVD's own wording, published unedited. Authoritative, but often terse — it says what broke, rarely what to do.
NVD · uneditedAn unauthenticated unrestricted file upload vulnerability allows an attacker to upload malicious binaries and scripts to the server.
Technical summary Written by usOur analysis, written from the advisory, the CVSS vector and the affected-version data. It adds context the advisory leaves out, and never invents facts that are not in the source.
dbcve analysis · moderate confidenceThis is an unauthenticated unrestricted file upload vulnerability (CVSS 7.5) that allows attackers to upload malicious binaries and scripts to the server without any authentication. The lack of file type validation or content inspection enables remote code execution by uploading executable files such as webshells or compiled payloads.
Verify against the referenced sources before acting — the references below are authoritative for this CVE, this summary is not.
CVSS breakdown How the score is builtThe industry scoring standard. It rates how the flaw is reached, what it takes to exploit, and what an attacker gains — the score is derived from those, not the other way round.
From the vector- Attack vector
- Network
- Complexity
- Low
- Privileges
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- None
- Integrity
- High
- Availability
- None
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Am I affected? How to checkSteps we derive from the advisory and the affected-version data, so you can decide whether this CVE reaches your setup. They are a guide, not a scan — your own configuration is the authority.
dbcve checksWork through these to decide whether this CVE applies to you.
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Identify file upload functionalitySearch your web application codebase and configuration for upload endpoints, file handling functions, or modules that process file uploads. Look for multipart form handlers, file transfer protocols, or attachment processing features.Affected if The environment contains any endpoint or feature that accepts file uploads from users or external sources.
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Verify upload endpoint authenticationTest the identified upload endpoint(s) without providing credentials, session tokens, or login information. Check if requests are accepted or rejected based on authentication status.Affected if The upload endpoint accepts and processes requests without requiring valid authentication (username, password, token, or session).
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Inspect file type validation logicReview the code or configuration handling file uploads to determine if there is server-side validation for file extensions, MIME types, or magic bytes. Attempt to upload files with executable extensions (.php, .asp, .jsp, .exe, .sh) and verify if they are accepted or rejected.Affected if There is no server-side validation, or validation relies only on client-side checks, or allows executable file types to be uploaded.
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Check uploaded file storage locationIdentify where uploaded files are stored by reviewing the file system paths used in upload handling code. Determine if the storage directory is located inside the web root (accessible via HTTP/HTTPS) or outside it.Affected if Uploaded files are stored in a directory that is web-accessible (inside the web root or a subdirectory served by the web server).
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Verify script execution is disabled in upload directoryIf uploads are stored in a web-accessible location, check the web server configuration (Apache .htaccess, Nginx config, IIS handlers) for rules that prevent execution of scripts in that directory. Attempt to access an uploaded script file directly via HTTP.Affected if The upload directory allows execution of uploaded scripts or binary files when accessed directly through the web server.
Your environment is affected if you have any web-accessible file upload functionality that processes unauthenticated requests and stores files in a web-accessible location without proper file type validation or script execution restrictions.
Generated from the published advisory. Verify against your own configuration.
Remediation Closing itWhat it takes to close this. Where a vendor fix exists we point at it; where none exists we say so plainly, and can build one. Effort estimates are scoped from the advisory, not from your codebase.
From vendor dataImplement strict server-side file validation (magic bytes, MIME type, extension allowlist), store uploads outside webroot with randomized filenames, disable script execution in upload directories, and consider adding authentication requirements for upload endpoints.
- Consultation3.0 h
- Implementation6.0 h
- Testing3.0 h
- Review / QA2.0 h
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Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2025-53119 — or any other known-vulnerable package — straight from your lock files. Free and open source; it runs locally and uploads nothing.
References Go to the primary sourcePrimary sources — vendor advisories, patches and trackers. Where our summary and a reference disagree, the reference wins.
Primary sourcesPractitioner notes
ContributedPeer-ranked notes from engineers who’ve handled CVE-2025-53119 in production — separate from our analysis above.
The advisory tells you what broke. It rarely tells you what actually worked. If you’ve dealt with this one, that detail is what the next engineer is searching for.
- The version that genuinely resolved it — not the one the vendor claimed
- A config change or rule that shut the vector down
- A gotcha in the upgrade path that cost you an afternoon
No notes yet
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A place for practitioners to share what actually worked: a mitigation you’ve tested, a configuration change, a version- or environment-specific caveat, or a link to a verified patch. The most useful notes rise to the top as peers upvote them, so the signal stays high.
- Verified mitigations, workarounds, and config changes
- Version or environment caveats, and links to real fixes
- No weaponised exploit code, or anything meant to cause harm
- No spam, self-promotion, credentials, or personal data