CVE-2018-17256

Severity: medium (CVSS 4.8 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.7% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2018-11-27 · updated 2026-06-17
Weakness: CWE-79

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.

Affected products

Umbraco-CMS: 7.12.3

References

https://www.cspcert.ph/advisories/2018/CVE-2018-17256.html
https://www.cspcert.ph/advisories/2018/CVE-2018-17256.html

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