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CVE-2016-8356 Kabona Ab CVE debrief

CVE-2016-8356 is a cross-site scripting flaw in Kabona AB WebDatorCentral (WDC) before version 3.4.0. According to the CVE and NVD record, web server URL inputs were not sanitized correctly, which could allow XSS when an attacker can influence those inputs and a user processes the resulting content. NVD scores the issue 8.2 HIGH, reflecting network exposure, required user interaction, and potential impact to confidentiality and integrity.

Vendor
Kabona Ab
Product
Webdatorcentral
CVSS
HIGH 8.2
CISA KEV
Not listed in stored evidence
Original CVE published
2016-07-17
Original CVE updated
2025-06-26
Advisory published
2016-07-17
Advisory updated
2025-06-26

Who should care

Organizations running Kabona AB WebDatorCentral (WDC), especially deployments that have not been updated to version 3.4.0 or later. Security teams responsible for web application hardening, input validation, and browser-based attack surface should review any instance where user-supplied URLs are accepted or rendered.

Technical summary

The vulnerability is classified as CWE-79 (Cross-Site Scripting). NVD describes the issue as incorrect sanitization of web server URL inputs in WDC prior to version 3.4.0. The CVSS v3.0 vector is AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:L/A:N, indicating a remotely reachable issue that does not require privileges, but does require user interaction. The scope change and high confidentiality impact suggest attacker-controlled content could execute in a victim’s browser context and expose sensitive data within the application context.

Defensive priority

High. The vulnerability is internet-reachable in the CVSS model and can affect confidentiality significantly, so remediation should be prioritized for any exposed or user-facing WDC deployment.

Recommended defensive actions

  • Upgrade Kabona AB WebDatorCentral (WDC) to version 3.4.0 or later, as the CVE states the issue affects versions prior to 3.4.0.
  • Review all application paths that accept or display URL input and ensure strict server-side validation and output encoding are in place.
  • Use context-appropriate escaping for HTML, attributes, and script contexts to prevent browser-side script execution.
  • Validate whether any stored or reflected URL handling in WDC can be reached by untrusted users and restrict those inputs where possible.
  • Check for signs of XSS abuse in logs, browser reports, and application telemetry around pages that process URL fields.
  • Apply defense-in-depth controls such as a restrictive Content Security Policy where compatible with the application.

Evidence notes

Source material identifies the issue as a WebDatorCentral vulnerability affecting versions before 3.4.0, caused by unsanitized web server URL inputs and categorized as CWE-79. NVD assigns CVSS 3.0 8.2 HIGH with vector AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:L/A:N. Official and government references in the corpus include the CVE record, NVD detail page, and ICS-CERT advisory reference.

Sources and references

Verified primary and authoritative sources

  • CVE-2016-8356 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2016-8356

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2016-8356 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2016-8356

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.