CVE-2026-42738
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 · uneditedImproper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in ZAYTECH Smart Online Order for Clover clover-online-orders allows Stored XSS.This issue affects Smart Online Order for Clover: from n/a through <= 1.6.0.
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 confidenceStored XSS vulnerability in ZAYTECH Smart Online Order for Clover allows attackers to inject malicious JavaScript through unsanitized user input that gets stored and executed in other users' browsers when viewing affected pages. The vulnerability exists in versions up to 1.6.0 due to improper neutralization of input during web page generation.
Verify against the referenced sources before acting — the references below are authoritative for this CVE, this summary is not.
CVSS 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
- Low
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L
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 ZAYTECH Smart Online Order for Clover installation and versionLocate the application in your Clover ecosystem and determine the installed version number. Check the application's about page, plugin management interface, or version file if accessible.Affected if The installed version is 1.6.0 or any version lower than 1.6.0.
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Determine if user-supplied input is stored by the applicationReview the application functionality to identify features that accept and store user data such as customer names, order notes, menu item descriptions, or customization fields.Affected if The application stores any user-supplied data that is later displayed to other users without re-authentication.
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Inspect stored data output for proper encodingExamine how stored user data is rendered in web pages by submitting test input with special characters (such as <script>alert(1)</script>) and viewing the output in different contexts where the data appears.Affected if Stored user input is rendered in HTML without proper output encoding or escape, allowing the injected script to execute in a user's browser.
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Verify if input validation is implementedReview the application's source code or configuration for input validation routines that sanitize or reject dangerous characters before storage.Affected if No input validation or output encoding is implemented for the identified user input fields.
You are affected if the installed version of ZAYTECH Smart Online Order for Clover is 1.6.0 or lower AND the application stores user input that is rendered without proper output encoding.
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/escape for all user-supplied data before rendering in HTML. Upgrade to vendor patched version when available.
- Consultation3.0 h
- Implementation6.0 h
- Testing3.0 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 $3,984.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2026-42738 — 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-2026-42738 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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