CVE-2023-3827
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 Bug Finder Listplace Directory Listing Platform 3.0 and classified as problematic. Affected by this issue is some unknown functionality of the file /listplace/user/ticket/create of the component HTTP POST Request Handler. The manipulation of the argument message leads to cross site scripting. The attack may be launched remotely. The identifier of this vulnerability is VDB-235148. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.
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 confidenceA stored cross-site scripting (XSS) vulnerability exists in the Bug Finder Listplace Directory Listing Platform 3.0. The issue is in the /listplace/user/ticket/create endpoint where the 'message' POST parameter is not properly sanitized before being stored and displayed, allowing execution of arbitrary JavaScript in the context of other users' browsers.
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= 3.0CVSS 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
- Required
- Scope
- Changed
- Confidentiality
- Low
- Integrity
- Low
- Availability
- None
CVSS:3.1/AV:N/AC:L/PR:N/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 the installed version of Listplace Directory Listing PlatformCheck the application version by examining the software documentation, footer, or version file typically located in the application root directory. Compare your version to the affected version: 3.0Affected if The installed version is exactly 3.0
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Confirm the application is running and accessibleVerify the web server hosting Listplace is operational and the application is accessible via HTTP/HTTPS requestsAffected if The application is accessible and running
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Verify the ticket creation endpoint existsAttempt to access the /listplace/user/ticket/create endpoint via a GET request to confirm it is availableAffected if The endpoint returns a valid response indicating ticket creation functionality is present
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Test the message parameter for insufficient sanitizationSubmit a benign XSS test payload (such as <script>alert(1)</script>) in the 'message' POST parameter to the /listplace/user/ticket/create endpoint, then retrieve and inspect the stored response to see if the payload is rendered as-is without encodingAffected if The submitted payload is rendered unmodified in the response, confirming lack of input sanitization or output encoding
A user is affected if they are running Listplace Directory Listing Platform version 3.0 and can access the ticket creation feature where unsanitized message input is stored and displayed.
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 proper input validation and output encoding for the message parameter. Use context-appropriate output encoding (e.g., HTML entity encoding for HTML context) and consider implementing a Content Security Policy (CSP) header to provide an additional layer of defense against XSS attacks.
- Consultation2.0 h
- Implementation4.0 h
- Testing2.0 h
- Review / QA1.0 h
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Free · runs locallyCheck whether your project pulls in CVE-2023-3827 — 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-2023-3827 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
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- Version or environment caveats, and links to real fixes
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