CVE-2018-16953
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 · uneditedThe AjaxView::DisplayResponse() function of the portalpages.dll assembly in Oracle WebCenter Interaction Portal 10.3.3 is vulnerable to reflected cross-site scripting (XSS). User input from the name parameter is unsafely reflected in the server response. NOTE: this CVE is assigned by MITRE and isn't validated by Oracle because Oracle WebCenter Interaction Portal is out of support.
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 confidenceReflected cross-site scripting (XSS) vulnerability in Oracle WebCenter Interaction Portal 10.3.3. The AjaxView::DisplayResponse() function in portalpages.dll insecurely reflects user-supplied input from the 'name' parameter directly into the server response without proper sanitization, allowing arbitrary JavaScript execution in the context of the victim's browser.
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= 10.3.3CVSS 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 Oracle WebCenter Interaction Portal is installedLook for the installation directory (typically under C:\Oracle\Middleware\Oracle_WCX\ or similar paths on Windows, or /opt/Oracle/ on Linux), or check for the 'Oracle WebCenter Interaction' service running on the system.Affected if The product is not installed or no longer present on the system.
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Verify the installed version is 10.3.3Check the portal's version information. On Windows, right-click on the 'portalpages.dll' file in the portal's bin directory, select Properties, and view the Version tab. Alternatively, check the installer log or the 'version.properties' file in the portal configuration directory.Affected if The version is not exactly 10.3.3 - other versions may have different vulnerabilities or fixes.
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Confirm the portal is accessible and runningAttempt to access the portal's login page or main URL (typically http://hostname/portal/ or https://hostname/portal/). Verify the HTTP service responds.Affected if The portal is not accessible or not running - the reflected XSS requires an active HTTP request to trigger.
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Verify portalpages.dll existsLocate the 'portalpages.dll' file in the portal's bin directory (for example, C:\Oracle\Middleware\Oracle_WCX\portal\bin\portalpages.dll). Confirm the file exists and note its file size and version info.Affected if The file is missing or significantly modified from the expected Oracle binary.
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Check if AjaxView module is accessibleAttempt to access an AjaxView endpoint URL pattern such as /portal/ajaxview?action=display&name=test or check if the portal's URL routing exposes the AjaxView functionality. Consult the portal's documentation for available service endpoints.Affected if The AjaxView functionality is disabled or not exposed through the web server.
A user is affected only if Oracle WebCenter Interaction Portal version 10.3.3 is installed, the portal is running and accessible, and the AjaxView functionality is enabled, allowing the 'name' parameter to be reflected without sanitization.
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 output encoding for all user-controlled input reflected in responses, or deploy a WAF with XSS filtering rules. Since Oracle WebCenter Interaction is end-of-life and will not receive patches, consider migrating to a supported platform or implementing compensating controls such as input validation and CSP headers.
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- Review / QA2.0 h
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Free · runs locallyCheck whether your project pulls in CVE-2018-16953 — 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-2018-16953 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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- Version or environment caveats, and links to real fixes
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