CVE-2022-43146
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 arbitrary file upload vulnerability in the image upload function of Canteen Management System v1.0 allows attackers to execute arbitrary code via a crafted PHP file.
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 confidenceCanteen Management System v1.0 contains an arbitrary file upload vulnerability in its image upload function. The application fails to properly validate uploaded files, allowing attackers to upload malicious PHP files that can be executed by the web server to achieve arbitrary 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
- High
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- High
CVSS:3.1/AV:N/AC:L/PR:H/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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Confirm the Canteen Management System versionLocate the version information in the application (typically in an about page, footer, or configuration file). Compare against version 1.0.Affected if The installed version is Canteen Management System 1.0
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Identify if image upload feature is presentNavigate to the image upload functionality in the application (usually in a profile, menu item, or product management section). Verify the upload form exists and is accessible.Affected if The image upload feature is enabled and accessible to users
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Determine upload directory locationUpload a benign test image and check the returned file path. Inspect the web server configuration or application code to identify where uploaded files are stored.Affected if Uploaded files are stored within the web root (e.g., /uploads/, /images/, or /assets/ directories under the web document root)
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Check if script execution is allowed in upload directoryInspect the web server configuration (Apache .htaccess, nginx config, or IIS handler mappings) for the upload directory. Look for directives that permit or restrict script execution (e.g., 'Options ExecCGI', 'AddHandler cgi-script', or missing 'php_flag engine off').Affected if The upload directory allows execution of PHP or other scripting languages (no restrictions on executing uploaded files)
A system is affected if it runs Canteen Management System v1.0 with the image upload feature enabled and files are stored in a web-accessible directory where script execution is permitted.
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 file validation using magic byte checks (not just file extensions), store uploads outside the web root or in a non-executable directory, and disable script execution in the upload directory.
- Consultation2.0 h
- Implementation4.0 h
- Testing2.0 h
- Review / QA1.0 h
An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $2,560.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2022-43146 — 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-2022-43146 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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