CVE-2022-2736
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 was found in SourceCodester Company Website CMS. It has been classified as critical. This affects an unknown part of the file /dashboard/updatelogo.php of the component Background Upload Logo Icon. The manipulation of the argument xfile/ufile leads to unrestricted upload. It is possible to initiate the attack remotely. The identifier VDB-205881 was 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 · high confidenceUnrestricted file upload vulnerability in SourceCodester Company Website CMS allows remote attackers to upload malicious files via manipulated xfile/ufile parameters in /dashboard/updatelogo.php. The lack of proper file validation enables remote code execution by uploading executable files like PHP shells.
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 dataall versionsCVSS 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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Locate the vulnerable upload scriptSearch for the file /dashboard/updatelogo.php in the web root directory. If using a Linux system, run: find /var/www -name "updatelogo.php" 2>/dev/null or locate the web root and check for the /dashboard/ directory.Affected if The file exists in the web application installation
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Verify the upload endpoint is accessibleAttempt to access the URL path /dashboard/updatelogo.php via HTTP GET request. Check if the page loads and accepts parameters without requiring valid authentication credentials.Affected if The endpoint is reachable without authentication or with weak/default authentication
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Inspect the file upload validation logicOpen /dashboard/updatelogo.php in a text editor and examine the code that handles the xfile and ufile parameters. Look for any file type restrictions, extension allowlists, or content-type checks before moving uploaded files.Affected if No file extension validation, no MIME type checking, and no content-type validation is performed on uploaded files
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Check the upload storage locationExamine the code to determine where uploaded files are stored. Look for move_uploaded_file() calls and identify the destination directory. Verify if this directory is within the web document root.Affected if Uploaded files are stored in a web-accessible directory (such as /images/, /uploads/, or /assets/) within the public web root
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Test if uploaded files are executableIf uploads are accessible via web, attempt to access a benign uploaded file via browser to confirm it can be served. Check if the web server is configured to execute PHP files in the upload directory.Affected if Files in the upload directory can be accessed via HTTP and the server executes PHP files rather than serving them as plain text
The environment is affected if the Company Website CMS is installed and the /dashboard/updatelogo.php script exists with unrestricted file upload functionality that allows executable files to be stored in a web-accessible location.
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 validation including magic byte checking, rename uploaded files, store uploads outside webroot or disable script execution, and enforce proper authentication/authorization on the upload endpoint.
- Consultation3.0 h
- Implementation12.0 h
- Testing6.0 h
- Review / QA3.0 h
An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $6,720.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2022-2736 — 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-2022-2736 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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