CVE-2025-46191
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 · uneditedArbitrary File Upload in user_payment_update.php in SourceCodester Client Database Management System 1.0 allows unauthenticated users to upload arbitrary files via the uploaded_file_cancelled field. Due to the absence of proper file extension checks, MIME type validation, and authentication, attackers can upload executable PHP files to a web-accessible directory (/files/). This allows them to execute arbitrary commands remotely by accessing the uploaded script, resulting in full Remote Code Execution (RCE) without authentication.
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 confidenceSourceCodester Client Database Management System 1.0 contains an unauthenticated arbitrary file upload vulnerability in user_payment_update.php via the uploaded_file_cancelled field. Attackers can bypass missing authentication, file extension checks, and MIME type validation to upload executable PHP scripts to the web-accessible /files/ directory, achieving full remote code execution.
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= 1.0CVSS 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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Identify the application versionLocate version information in the application source code, typically found in a config file, README, or the main index page. Compare against the affected version 1.0.Affected if The installed version is exactly 1.0 of the Client Database Management System
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Locate the vulnerable scriptSearch for the file user_payment_update.php in the web application directory structure.Affected if The file user_payment_update.php exists in the application
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Verify /files/ directory is web-accessibleCheck the web server configuration and the /files/ directory location. Determine if this directory is within the web document root and accessible via HTTP/HTTPS.Affected if The /files/ directory is accessible from the web and allows execution of uploaded files
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Test unauthenticated access to upload endpointAttempt to access user_payment_update.php directly without providing any authentication credentials. Check if the request is processed or rejected.Affected if The endpoint responds without requiring authentication
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Check for file extension validation in upload codeInspect the source code of user_payment_update.php and look for any file extension validation, allowlisting, or MIME type checking logic on the uploaded_file_cancelled field.Affected if No file extension validation or MIME type checking is implemented for the uploaded_file_cancelled field
A user is affected if they are running version 1.0 of this Client Database Management System, the vulnerable script exists, the /files/ directory is web-accessible, and the upload endpoint does not require authentication or validate file extensions.
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 checks, validate file extensions against an allowlist, perform server-side MIME type verification, and disable script execution in the upload directory (e.g., via .htaccess rules or storing files outside webroot).
- Consultation2.0 h
- Implementation4.0 h
- Testing3.0 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 $3,088.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2025-46191 — 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-2025-46191 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