CVE-2018-17256

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CVSS 3.0

4.8 medium

EPSS

<1%p49

Published

Nov 27, 2018 (Nov 27, 2018)

Modified

Jun 17, 2026

Description

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.

Vendors: umbraco
Products: umbraco cms
Weakness: CWE-79
Vector: CVSS:3.0/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N

NVD CVE.org GitHub PoCs EPSS (0.7%)

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