SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2018-17256

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.).

MEDIUM 4.8EPSS 0.65%

Does this matter?

Lower severity and a low EPSS score (0.65%). Track it; it rarely justifies an emergency change on its own.

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.

CVSS 3.0
4.8 MEDIUMCVSS:3.0/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
EPSS
0.65% probability · 49th percentile
CISA KEV
Not listed
Weakness
CWE-79
Affected
umbraco/umbraco cms
Source
vulnerability@cspcert.ph

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.