Unrestricted File UploadWeakness · CWE-434

CVE-2025-52078

MEDIUM · 6.5 CVSS v3.1 Published 2025-08-05
Mitigation only
No fix yet — a mitigation exists. There is no fixed release. A documented workaround reduces exposure in the meantime.
See remediation →
74/100
Remediation priority · Elevated
Remotely reachable No privileges Zero-click

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 · unedited
File upload vulnerability in Writebot AI Content Generator SaaS React Template thru 4.0.0, allowing remote attackers to gain escalated privileges via a crafted POST request to the /file-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 · moderate confidence

File upload vulnerability in Writebot AI Content Generator SaaS React Template through version 4.0.0. The /file-upload endpoint accepts files without proper validation, allowing remote attackers to upload malicious files that can be executed to escalate privileges.

MitigationImplement strict file type validation (allowlist approach), store uploads outside the web root with randomized filenames, disable script execution in upload directories, and apply proper authentication/authorization controls to the upload endpoint.

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
Low
Integrity
Low
Availability
None

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/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 checks

Work through these to decide whether this CVE applies to you.

  1. Identify Writebot AI Content Generator installation
    Search your codebase for package.json or package-lock.json files containing 'writebot' or look for the template name in your project dependencies. Check the version field against 4.0.0.
    Affected if Writebot AI Content Generator SaaS React Template version 4.0.0 or below is installed in your environment
  2. Locate the file-upload endpoint
    Search your codebase for routes, API definitions, or server configurations that define a /file-upload or fileUpload endpoint. Check both frontend routing and any backend/server code included with the template.
    Affected if A /file-upload endpoint exists in your deployed application
  3. Verify file validation implementation
    Examine the file-upload handler code for server-side validation. Look for file type checking, extension allowlists, or content-type verification before file storage.
    Affected if The file-upload endpoint lacks proper file type validation or uses only client-side validation
  4. Confirm authentication on upload endpoint
    Review the /file-upload endpoint code to determine if it requires authentication, authorization checks, or session validation before accepting files.
    Affected if The file-upload endpoint accepts requests without requiring authentication
  5. Check upload directory configuration
    Inspect your server configuration or upload handler to determine where uploaded files are stored and whether the upload directory is web-accessible with script execution enabled.
    Affected if Uploaded files are stored in a web-accessible directory with script execution permissions

You are affected if Writebot AI Content Generator SaaS React Template version 4.0.0 or below is deployed and the /file-upload endpoint is exposed without proper authentication and server-side file validation.

Generated from the published advisory. Verify against your own configuration.

Check your environment

Paste your version and any relevant configuration and it will be compared against the affected criteria above. Do not include secrets or credentials.

AI-assisted, checked against the advisory. Informational, not a guarantee.

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 data
Mitigation available No clean upgrade yet — mitigate in the meantime
Mitigation

Implement strict file type validation (allowlist approach), store uploads outside the web root with randomized filenames, disable script execution in upload directories, and apply proper authentication/authorization controls to the upload endpoint.

Have this fixed Scoped from the published advisory
  • Consultation3.0 h
  • Implementation6.0 h
  • Testing4.0 h
  • Review / QA2.0 h
15.0 hours of engineering $2,640
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References Go to the primary sourcePrimary sources — vendor advisories, patches and trackers. Where our summary and a reference disagree, the reference wins.

Primary sources

Practitioner notes

Contributed

Peer-ranked notes from engineers who’ve handled CVE-2025-52078 in production — separate from our analysis above.

No notes yet

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What this is

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.

What belongs here
  • 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