What is CVE-2017-15279?

CVE-2017-15279 is a medium-severity vulnerability in Umbraco Cms, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2017-10-12.

How severe is CVE-2017-15279?

Medium severity. CVSS v3 base score is 5.4 out of 10.

XSS in Umbraco Cms

CVE-2017-15279

Cross-site scripting (XSS) vulnerability in Umbraco CMS before 7.7.3 allows remote attackers to inject arbitrary web script or HTML via the "page name" (aka nodename) parameter during the creation of a new page, related to Umbraco.Web.UI/umbraco/dialogs/Publish.aspx.cs and Umbraco.Web/umbraco.presentation/umbraco/dialogs/notifications.aspx.cs.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2017-10-12 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.008 (56.4th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 56th percentile — 56.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.008 · newest: 0.008 · change: 0.000

Affected products

Umbraco Cms

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

issues.umbraco.org/issue/U4-10497 (Patch, Vendor Advisory)
github.com/umbraco/Umbraco-CMS/commit/fe2b86b681455ac975b294652064b2718d4e2ba2 (Patch, Third Party Advisory)

Frequently asked questions

What is CVE-2017-15279?: CVE-2017-15279 is a medium-severity vulnerability in Umbraco Cms, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2017-10-12.
How severe is CVE-2017-15279?: Medium severity. CVSS v3 base score is 5.4 out of 10.