CVE-2018-17256 — MEDIUM (4.8)

Vulnerability 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 Score

4.8

MEDIUM

CVSS:3.0/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality

LOW

Integrity

LOW

Availability

NONE

Affected Products

Vendor	Product	Versions
Umbraco	Umbraco Cms	7.12.3

Related Weaknesses (CWE)

CWE-79

References

https://www.cspcert.ph/advisories/2018/CVE-2018-17256.htmlThird Party Advisory
https://www.cspcert.ph/advisories/2018/CVE-2018-17256.htmlThird Party Advisory

FAQ

What is CVE-2018-17256?

CVE-2018-17256 is a vulnerability with a CVSS score of 4.8 (MEDIUM). 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 vul...

How severe is CVE-2018-17256?

CVE-2018-17256 has been rated MEDIUM with a CVSS base score of 4.8/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2018-17256?

Check the references section above for vendor advisories and patch information. Affected products include: Umbraco Umbraco Cms.