CVE-2022-4232
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 · uneditedA vulnerability, which was classified as critical, was found in SourceCodester Event Registration System 1.0. Affected is an unknown function. The manipulation of the argument cmd leads to unrestricted upload. It is possible to launch the attack remotely. VDB-214590 is the identifier assigned to this vulnerability.
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 confidenceUnrestricted file upload vulnerability in SourceCodester Event Registration System 1.0 where manipulation of the 'cmd' argument allows attackers to upload arbitrary files to the server, potentially including malicious scripts that could enable 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 application and versionLocate the SourceCodester or Rinvizle Event Registration System installation. Check for version indicators in the application source files, README, or admin panel. Compare the installed version against version 1.0.Affected if The installed application is SourceCodester/Rinvizle Event Registration System version 1.0
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Locate the file upload endpointSearch the application source code for references to the 'cmd' parameter or file upload functionality. Common paths include upload handlers, form processors, or API endpoints that process file submissions.Affected if The application contains code that processes a 'cmd' parameter for file upload operations
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Inspect upload handler for validationExamine the file upload handler code to determine if it performs server-side validation on file types, extensions, or content. Look for functions that check MIME types, file headers (magic bytes), or extension whitelisting.Affected if The upload handler lacks or has insufficient server-side file validation before saving uploaded files
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Check upload directory locationIdentify where uploaded files are stored. Determine if the upload directory is within the webroot (accessible via HTTP) or outside it.Affected if Uploaded files are stored in a web-accessible directory within the webroot
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Verify file execution permissionsCheck if uploaded files in the storage directory have execute permissions or if the web server configuration allows execution of files from the upload directory.Affected if Uploaded files can be executed by the web server (e.g., .php, .exe files are directly accessible and executable)
A user is affected if they are running SourceCodester/Rinvizle Event Registration System version 1.0 with the file upload feature accessible and lacking proper server-side validation on the 'cmd' parameter.
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 (file type, extension, magic bytes), store uploads outside webroot with no execution permissions, add proper authentication/authorization checks, and consider using a whitelist approach for allowed file types.
- Consultation4.0 h
- Implementation8.0 h
- Testing4.0 h
- Review / QA2.0 h
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Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2022-4232 — 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-2022-4232 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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