What is CVE-2018-17256?

CVE-2018-17256 is a medium-severity vulnerability in Cybersecurity Philippines - Cert Umbracocms, classified under Cross-site Scripting. CVSS score: 4.8/10. Published 2018-11-27.

How severe is CVE-2018-17256?

Medium severity. CVSS v3 base score is 4.8 out of 10.

XSS in Cybersecurity Philippines - Cert Umbracocms

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.). The vulnerability is exploited when updating or removing public access of a content.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.007 (47.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.8 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N.

Affected products

Cybersecurity Philippines - Cert Umbracocms — versions 7.12.3
Umbraco Umbraco_cms — versions 7.12.3

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

vulnerability@cspcert.ph (Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2018-17256?: CVE-2018-17256 is a medium-severity vulnerability in Cybersecurity Philippines - Cert Umbracocms, classified under Cross-site Scripting. CVSS score: 4.8/10. Published 2018-11-27.
How severe is CVE-2018-17256?: Medium severity. CVSS v3 base score is 4.8 out of 10.