High

Umbraco CMS vulnerable to CSRF

  • Disclosed: 17.05.2022
  • Updated: 11.10.2026 11:22

Umbraco before 7.4.0 allows remote attackers to bypass anti-forgery security measures and conduct cross-site request forgery (CSRF) attacks as demonstrated by editing user account information in the templates.asmx.cs file.

Affected software

Click a technology to see all vulnerabilities affecting it.

PlatformPackageVulnerable versionsFixed in
.NET (NuGet) Umbraco.CMS < 7.4.0 7.4.0

References

CVSS score 8.8/10
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness (CWE)
CWE-352
Platform
.NET (NuGet)
Package
Umbraco.CMS
Disclosed
17.05.2022
Updated
11.10.2026 11:22

Sources and licenses

OSV / GitHub Advisory Database - GHSA-5f6p-4hxq-rjxm - CC BY 4.0

Vulnerability history: Umbraco.CMS

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

All (29) in the archive
Total entries
29
First → latest
05.2022 09.2026
Without a fix
1
Exploited in attacks
0

Severity breakdown

  • High 5
  • Medium 17
  • Low 7

Disclosures per year

  1. 2022: 2
  2. 2023: 8
  3. 2024: 5
  4. 2025: 8
  5. 2026: 6
Severity:
  1. High CVE-2026-69197 >= 12.0.0, < 13.15.1, >= 14.0.0-rc1, < 17.5.3, >= 18.0.0, < 18.0.2 13.15.1, 17.5.3, 18.0.2
  2. High · 7.2 CVE-2026-31834 >= 15.3.1, < 16.5.1, >= 17.0.0, < 17.2.2 16.5.1, 17.2.2
  3. High · 8.8 CVE-2025-32017 >= 14.0.0--preview004, < 14.3.4, >= 15.0.0-rc1, < 15.3.1 14.3.4, 15.3.1
  4. Umbraco CMS vulnerable to CSRF this entry
    High · 8.8 CVE-2015-8814 < 7.4.0 7.4.0
  5. High · 8.2 CVE-2015-8813 < 7.4.0 7.4.0

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