Medium

Umbraco CMS vulnerable to stored XSS

  • Disclosed: 17.05.2022
  • Updated: 11.10.2026 11:22

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.

Affected software

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PlatformPackageVulnerable versionsFixed in
.NET (NuGet) UmbracoCMS.Web < 7.7.3 7.7.3

References

CVSS score 5.4/10
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Weakness (CWE)
CWE-79
Platform
.NET (NuGet)
Package
UmbracoCMS.Web
Disclosed
17.05.2022
Updated
11.10.2026 11:22

Sources and licenses

OSV / GitHub Advisory Database - GHSA-xj94-rgf9-cq37 - CC BY 4.0

Vulnerability history: UmbracoCMS.Web

All published vulnerabilities of this package (.NET (NuGet)), newest first. Shows whether this is a one-off slip or a package that needs watching.

Total entries
2
First → latest
05.2022 05.2022
Without a fix
0
Exploited in attacks
0

Severity breakdown

  • Medium 2

Disclosures per year

  1. 2022: 2
  2. 2023: 0
  3. 2024: 0
  4. 2025: 0
  5. 2026: 0
  1. Medium · 5.5 CVE-2017-15280 < 7.7.3 7.7.3
  2. Umbraco CMS vulnerable to stored XSS this entry
    Medium · 5.4 CVE-2017-15279 < 7.7.3 7.7.3

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