CVE-2025-61506
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 issue was discovered in MediaCrush thru 1.0.1 allowing remote unauthenticated attackers to upload arbitrary files of any size to the /upload endpoint.
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 · high confidenceMediaCrush through version 1.0.1 contains an unauthenticated arbitrary file upload vulnerability in the /upload endpoint. Remote attackers can upload files of any type and size without authentication, potentially leading to remote code execution if executable files are uploaded to web-accessible locations.
Verify against the referenced sources before acting — the references below are authoritative for this CVE, this summary is not.
Affected products & versions What the vendor confirmedThe version ranges the vendor confirmed as vulnerable. If your version sits inside a range here, treat yourself as exposed until you have upgraded.
NVD · CPE data<= 1.0.1CVSS 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
- High
- Integrity
- High
- Availability
- High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
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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Check MediaCrush versionLocate the MediaCrush installation and identify the installed version number (typically in a version file, package.json, or about page). Compare it to the affected range: <= 1.0.1Affected if Installed version is 1.0.1 or any version lower than 1.0.1
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Verify /upload endpoint accessibilitySend an HTTP request to the /upload endpoint without providing any authentication credentials (no API key, session cookie, or login token)Affected if The endpoint accepts and processes the request without returning an authentication error (401 or 403)
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Confirm file type restrictions are missingAttempt to upload a file with an executable extension (e.g., .php, .exe, .sh, .py) to the /upload endpoint without authenticationAffected if The server accepts the executable file upload without rejecting it based on file type validation
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Check upload storage locationExamine the MediaCrush server configuration to determine where uploaded files are stored relative to the web rootAffected if Uploaded files are stored within the web document root or a subdirectory directly accessible via HTTP/HTTPS
You are affected if MediaCrush version 1.0.1 or lower is installed and the /upload endpoint accepts unauthenticated file uploads, particularly executable file types stored in web-accessible locations.
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 authentication requirements for the upload endpoint and add server-side validation for allowed file types and maximum file size limits. Store uploads outside the web root and serve them with proper Content-Type headers to prevent execution.
- Consultation4.0 h
- Implementation8.0 h
- Testing4.0 h
- Review / QA2.0 h
An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $5,120.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2025-61506 — 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-2025-61506 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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- 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
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