CVE-2023-53871
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 · uneditedSoosyze 2.0.0 contains a file upload vulnerability that allows attackers to upload arbitrary HTML files with embedded PHP code to the application. Attackers can exploit the broken file upload mechanism to potentially view sensitive file paths and execute malicious PHP scripts on the server.
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 confidenceSoosyze 2.0.0 contains a file upload vulnerability where the broken file upload mechanism allows attackers to upload arbitrary HTML files containing embedded PHP code. This insecure upload can lead to sensitive file path disclosure and remote code execution if the uploaded files are accessible 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= 2.0.0CVSS 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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Verify the Soosyze versionLocate the version file or check the admin dashboard for the installed Soosyze version. Common locations include a version.php file or the system information page.Affected if The installed version is 2.0.0 exactly, as this is the only affected version listed.
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Identify if file upload functionality existsNavigate to modules or features that handle file uploads (e.g., a file manager, content editor with attachments, user profile picture upload). Check for any upload forms or API endpoints that accept file submissions.Affected if File upload functionality is present and accessible to the user context being tested.
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Determine the upload storage locationInspect the application configuration or upload handler code to find where uploaded files are stored. Common paths may include /upload, /files, /data, or /storage directories within the web root.Affected if Uploaded files are stored inside the web-accessible document root (htdocs, public_html, or equivalent).
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Check if uploaded files are web-accessibleAttempt to access an uploaded file via HTTP/HTTPS request using the web server URL. Verify if the file is directly accessible through the browser.Affected if Uploaded files can be accessed and downloaded via direct HTTP requests to the web server.
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Verify script execution is not blocked on upload directoryCheck the web server configuration (Apache .htaccess, Nginx config) for the upload directory. Look for directives like Options -ExecCGI, RemoveHandler, or php_flag engine off.Affected if The upload directory allows script execution (PHP files can be executed) or there are no restrictions preventing uploaded HTML/PHP files from being executed.
A user is affected if they are running Soosyze 2.0.0, have file upload functionality accessible, and store uploaded files in a web-accessible location without script execution restrictions.
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 dataFix the file upload mechanism to properly validate file types (rejecting HTML/MHTML), implement strict allowlist validation for extensions and MIME types, store uploaded files outside the web root or with disabled script execution permissions.
- Consultation3.0 h
- Implementation8.0 h
- Testing4.0 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 $5,088.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2023-53871 — 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-2023-53871 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
- No spam, self-promotion, credentials, or personal data