CVE-2018-14486: DotNetNuke.Core Cross-Site Scripting Vulnerability

MODERATE

Advisory Identifier: GHSA-m6w9-8cxc-jff7

CVSS 6.1

Published 2022-05-14

Advisory Summary

CVE-2018-14486 is a MODERATE (CVSS 6.1) cross-site scripting vulnerability (CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')) affecting DotNetNuke.Core libraries in the NuGet ecosystem. The issue involves dnn xss vulnerability. Remediation is available in the latest vendor maintenance releases.

CVE-2018-14486 at a Glance

CVE Identifier CVE-2018-14486

GHSA Identifier GHSA-m6w9-8cxc-jff7

Severity MODERATE

CVSS v3.1 Base Score 6.1

CWE Classification CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Affected Product DotNetNuke.Core

Package Ecosystem NuGet

Published Date 2022-05-14

Last Updated 2023-10-06

Security Impact

CVSS: 6.1

The security impact metrics below are parsed directly from the CVSS v3.1 vector string (CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N).

Attack Vector Network (AV:N)

Attack Complexity Low (AC:L)

Privileges Required None (PR:N)

User Interaction Required (UI:R)

Scope Changed (S:C)

Confidentiality Low (C:L)

Integrity Low (I:L)

Availability None (A:N)

How to Fix CVE-2018-14486

To remediate this vulnerability, upgrade all affected DotNetNuke.Core dependencies to a patched release. Both direct and transitive dependencies should be checked, as frameworks or security libraries may pull in vulnerable versions transitively.

DotNetNuke.Core fixed: Latest secure release

Upgrade DotNetNuke.Core to Latest secure release

Verify Direct and Transitive Dependencies

Run the following command in your project directory to verify that all resolved dependencies use the patched release:

inspect dependencies for DotNetNuke.Core

How to Check if You Are Affected

To determine whether your application is affected by CVE-2018-14486, inspect your project dependencies for DotNetNuke.Core:

inspect dependencies for DotNetNuke.Core

Analyze the terminal output to locate any version of DotNetNuke.Core in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than the patched release), your application is affected.

Note: Verify declared build manifests and deployed runtime container environments.

Technical Details

Vulnerability Mechanism & Technical Analysis

This vulnerability is classified under CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting'), where the product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. In DotNetNuke.Core, software state validation or input boundaries are circumvented during processing. Review the official source advisory statement below for specific affected components, classes, and reproduction details.

Source Advisory Statement

DNN (formerly DotNetNuke) 9.1.1 allows cross-site scripting (XSS) via XML.

CVE-2018-14486 Affected DotNetNuke.Core Versions

1 component(s)

Product / Package	Ecosystem	Affected Versions	Fixed Version
DotNetNuke.Core nuget/DotNetNuke.Core	NuGet	≤ 9.1.1

References

NVD — CVE-2018-14486 NVD

https://nvd.nist.gov/vuln/detail/CVE-2018-14486

DotNetNuke.Core Source Repository REPOSITORY

https://github.com/dnnsoftware/Dnn.Platform

DotNetNuke.Core Security Information SECURITY

http://packetstormsecurity.com/files/151304/DNN-9.1-XML-Related-Cross-Site-Scripting.html

Frequently Asked Questions

What is CVE-2018-14486?

CVE-2018-14486 is a security vulnerability in DotNetNuke.Core involving DNN XSS Vulnerability under CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting').

Which DotNetNuke.Core versions are affected?

Affected versions include releases prior to current release patches across affected packages: DotNetNuke.Core.

What version fixes CVE-2018-14486?

Upgrading to current release patches (or the latest patched release for your respective branch) resolves the vulnerability.

Is DotNetNuke.Core affected?

Yes, DotNetNuke.Core is affected in releases prior to Latest secure release. Upgrade your dependency to Latest secure release or later.

What is the CVSS score of CVE-2018-14486?

CVE-2018-14486 has a CVSS v3.1 base score of 6.1 (MODERATE) with vector string CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

What CWE is associated with CVE-2018-14486?

CVE-2018-14486 is classified under CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') (The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.).

How can I check NuGet dependencies for CVE-2018-14486?

Run the dependency tree command: 'inspect dependencies for DotNetNuke.Core'. This command lists direct and transitive dependencies in your build configuration so you can verify if a vulnerable version is resolved.

Machine-readable OSV JSON OSV v1.5 Schema

Normalized schema output

View Raw JSON

{
  "schema_version" : "1.4.0",
  "id" : "GHSA-m6w9-8cxc-jff7",
  "modified" : "2023-10-06T15:31:53Z",
  "published" : "2022-05-14T01:17:48Z",
  "aliases" : [ "CVE-2018-14486" ],
  "summary" : "DNN XSS Vulnerability",
  "details" : "DNN (formerly DotNetNuke) 9.1.1 allows cross-site scripting (XSS) via XML.",
  "severity" : [ {
    "type" : "CVSS_V3",
    "score" : "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N"
  } ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "NuGet",
      "name" : "DotNetNuke.Core"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "0"
      }, {
        "last_affected" : "9.1.1"
      } ]
    } ]
  } ],
  "references" : [ {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2018-14486"
  }, {
    "type" : "PACKAGE",
    "url" : "https://github.com/dnnsoftware/Dnn.Platform"
  }, {
    "type" : "WEB",
    "url" : "http://packetstormsecurity.com/files/151304/DNN-9.1-XML-Related-Cross-Site-Scripting.html"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-79" ],
    "severity" : "MODERATE",
    "github_reviewed" : true,
    "github_reviewed_at" : "2023-07-24T21:45:46Z",
    "nvd_published_at" : "2019-03-21T16:00:00Z"
  }
}

CVSS V3

6.1 MODERATE