CVE-2022-43265
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 component /pages/save_user.php 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 confidenceThe Canteen Management System v1.0 contains an arbitrary file upload vulnerability in /pages/save_user.php that lacks proper validation of uploaded file types. Attackers can upload malicious PHP files and execute arbitrary code on the server by accessing the uploaded file via the web server.
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.
-
Confirm Canteen Management System v1.0 is installedLocate the web application's root directory and check for the presence of PHP files or folders indicating Canteen Management System. Check version.php or any readme/install files for version confirmation.Affected if The system is running Canteen Management System version 1.0
-
Verify /pages/save_user.php existsCheck if the file /pages/save_user.php exists in the web application's directory structure. This is the vulnerable upload endpoint.Affected if The file /pages/save_user.php exists on the server
-
Check if file upload functionality is enabledAccess the user creation or registration page that uses save_user.php. Submit a test request to determine if the file upload field is functional and accepts file submissions.Affected if The file upload form is accessible and functional on the application
-
Inspect file type validation in save_user.phpExamine the source code of /pages/save_user.php to check for file type validation. Look for functions that verify file extensions, MIME types, or content. Search for allowlists or denylists of permitted file types.Affected if No file type validation exists, or validation can be bypassed (e.g., no extension/MIME check)
-
Check upload directory configurationReview the application's configuration to determine where uploaded files are stored. Check if the upload directory is within the web root and if script execution is allowed.Affected if Uploaded files are stored in a web-accessible directory with script execution enabled
-
Verify uploaded files are directly accessible via URLAttempt to access an uploaded file through the web server using its URL path. Check if uploaded PHP files can be executed by requesting them directly in a browser.Affected if Uploaded files are directly accessible and executable via HTTP requests
A user is affected if they are running Canteen Management System v1.0 with the /pages/save_user.php file present and the file upload functionality accessible without proper validation.
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 allowlist-based file type validation, store uploads outside the web root directory, disable script execution in upload directories, and rename uploaded files to prevent direct access.
- 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-2022-43265 — 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-2022-43265 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
Be the first to add a field note for this CVE — a mitigation you’ve verified, a version caveat, or a link to a working fix. Sign in above to contribute.
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