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CVE-2018-17256: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

November 27, 2018 (updated December 31, 2018)

Persistent cross-site scripting (XSS) vulnerability in Umbraco CMS allows authenticated users to inject arbitrary web script via the Header Name of a content (Blog, Content Page, etc.). The vulnerability is exploited when updating or removing public access of a content.

References

  • nvd.nist.gov/vuln/detail/CVE-2018-17256
  • www.cspcert.ph/advisories/2018/CVE-2018-17256.html

Code Behaviors & Features

Detect and mitigate CVE-2018-17256 with GitLab Dependency Scanning

Secure your software supply chain by verifying that all open source dependencies used in your projects contain no disclosed vulnerabilities. Dependency Scanning using SBOM also detects vulnerabilities from proprietary advisories that this site does not include. Learn more about Dependency Scanning using SBOM →

Affected versions

Version 7.12.3

Fixed versions

  • 7.12.4

Solution

Upgrade to version 7.12.4 or above.

Impact 4.8 MEDIUM

CVSS:3.0/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N

Learn more about CVSS

Weakness

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

Source file

nuget/UmbracoCms/CVE-2018-17256.yml

Spotted a mistake? Edit the file on GitLab.

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