CVE-2023-31299
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 · uneditedCross Site Scripting (XSS) vulnerability in Sesami Cash Point & Transport Optimizer (CPTO) version 6.3.8.6 (#718), allows remote attackers to execute arbitrary code via the Barcode field of a container.
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 Sesami Cash Point & Transport Optimizer (CPTO) version 6.3.8.6. The Barcode field of a container does not properly sanitize user input, allowing remote attackers to inject malicious JavaScript code that executes in the context of other users viewing the affected page.
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= 6.3.8.6.718CVSS 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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Verify the installed version of Sesami CPTOLocate and inspect the installed Sesami Cash Point & Transport Optimizer version number, typically found in the application About section, installer metadata, or program files directoryAffected if The installed version matches 6.3.8.6.718 exactly
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Confirm access to the container Barcode field featureLog into the Sesami CPTO application and navigate to the container management interface where the Barcode field is displayed or editableAffected if The user has access to create or modify container records with a Barcode field
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Inspect the Barcode field for existing malicious payloadsQuery the container database or view the Barcode field contents directly to examine if any unsanitized script tags or JavaScript event handlers are present in stored valuesAffected if The Barcode field contains raw HTML or script tags without encoding (e.g., <script>, javascript:, onload, onerror)
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Check if output encoding is applied to the Barcode fieldView the container page in a browser and inspect the page source or use developer tools to see how Barcode values are rendered in the HTMLAffected if Barcode values are rendered as raw HTML rather than being HTML-encoded (special characters appear as themselves instead of entity codes)
A user is affected if running Sesami CPTO version 6.3.8.6.718 and the container Barcode field is accessible, with stored values not being output-encoded when rendered.
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 for the Barcode field. All user-supplied data should be sanitized before storage and properly escaped when rendered in HTML pages.
- 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-2023-31299 — 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-2023-31299 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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