CVE-2023-50357
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 cross site scripting vulnerability in the AREAL SAS Websrv1 ASP website allows a remote low-privileged attacker to gain escalated privileges of other non-admin users.
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 confidenceAn XSS vulnerability in the AREAL SAS Websrv1 ASP website allows a remote attacker with low privileges to inject malicious scripts that can steal session tokens or perform actions on behalf of other non-admin users, effectively achieving privilege escalation.
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<= 6.1CVSS 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
- Low
- User interaction
- Required
- Scope
- Changed
- Confidentiality
- Low
- Integrity
- Low
- Availability
- None
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
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 if Areal Topkapi Webserv1 is installedCheck for the presence of the Webserv1 ASP application files on the web server, typically in the IIS web root or application directory. Look for ASP files related to the Areal Topkapi application.Affected if The application is present and publicly accessible
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Determine the installed versionLocate the version information for the Areal Topkapi Webserv1 installation. This may be found in a README file, version.txt, the application DLL properties, or by accessing an admin/info page if available.Affected if The installed version is 6.1 or lower (any version <= 6.1)
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Identify the user input handling moduleLocate the ASP pages or modules that process user-supplied data. Focus on forms, search fields, login pages, or any endpoint that accepts user input and reflects it back in the response.Affected if User input is processed by ASP pages without proper encoding
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Test for reflective XSS in the applicationSubmit a simple XSS payload such as <script>alert(1)</script> through the identified input fields and verify if the payload is reflected in the response without encoding or sanitization.Affected if User-supplied input is reflected in HTML output without proper encoding (the payload executes or appears unescaped in the response)
A user is affected if Areal Topkapi Webserv1 version 6.1 or lower is running and user input is reflected without encoding in the web application responses.
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 input validation and output encoding on all user-supplied data, and apply proper session management and CSRF tokens to prevent session hijacking and unauthorized actions on behalf of other users.
- 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-2023-50357 — 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-2023-50357 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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