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

May 14, 2022 (updated July 24, 2023)

Persistent cross-site scripting (XSS) vulnerability in Umbraco CMS 7.12.3 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

  • github.com/advisories/GHSA-wrrj-r2j4-969w
  • nvd.nist.gov/vuln/detail/CVE-2018-17256

Code Behaviors & Features

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

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Affected versions

All versions up to 7.12.3

Solution

Unfortunately, there is no solution available yet.

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

Source file

nuget/Umbraco/CVE-2018-17256.yml

Spotted a mistake? Edit the file on GitLab.

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