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

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