CVE-2018-19288
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 · uneditedZoho ManageEngine OpManager 12.3 before Build 123223 has XSS via the updateWidget API.
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 confidenceZoho ManageEngine OpManager 12.3 before Build 123223 contains a Cross-Site Scripting (XSS) vulnerability in the updateWidget API endpoint. The API does not properly sanitize user input passed through the widget update mechanism, allowing attackers to inject malicious JavaScript code that executes 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= 11.4= 11.5= 12.3CVSS 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:3.0/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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Confirm Zoho ManageEngine OpManager is installedIdentify if the target system is running Zoho ManageEngine OpManager by accessing the web interface or checking for OpManager-related processes/servicesAffected if The product is not Zoho ManageEngine OpManager (not affected by this CVE)
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Check the installed version and build numberAccess the OpManager web console and navigate to the About or Help section to view the exact version and build number. Alternatively, check the build.info or version file in the OpManager installation directoryAffected if Version is 11.4, 11.5, or 12.3 and build number is below 123223
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Verify the updateWidget API endpoint exists and is accessibleAttempt to access the /updateWidget API endpoint (typically at /api/json/updatesWidget or similar path under the OpManager web root) to confirm it is availableAffected if The updateWidget API endpoint is accessible without authentication or with standard user credentials
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Check if widget update functionality is enabledIn the OpManager admin console, examine whether the widget/update feature is enabled for users or if there are any restrictions on the widget customization featureAffected if Users with standard (non-admin) access can create or modify widgets through the updateWidget mechanism
The environment is affected if running Zoho ManageEngine OpManager version 11.4, 11.5, or 12.3 with a build number below 123223 and the updateWidget API endpoint is accessible to users who can inject malicious script through widget updates.
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 dataUpgrade to ManageEngine OpManager Build 123223 or later. Alternatively, implement proper input validation and output encoding on the updateWidget API endpoint to neutralize malicious script injection.
- Consultation2.0 h
- Implementation2.0 h
- Testing2.0 h
- Review / QA1.0 h
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Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2018-19288 — 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-2018-19288 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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