CVE-2018-17256

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.

Category

4.8
CVSS
Severity: Medium
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.51%
Third-Party Advisory cspcert.ph
Affected: CyberSecurity Philippines - CERT UmbracoCMS
Published at:
Updated at:

References

Frequently Asked Questions

What is the severity of CVE-2018-17256?
CVE-2018-17256 has been scored as a medium severity vulnerability.
How to fix CVE-2018-17256?
To fix CVE-2018-17256, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2018-17256 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2018-17256 is being actively exploited. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2018-17256?
CVE-2018-17256 affects CyberSecurity Philippines - CERT UmbracoCMS.
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