Umbraco before 7.4.0 allows remote attackers to bypass anti-forgery security measures and…
Priority LOW 39CWE-352Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Tampering
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA and GitHub. Impact type from CWE-352.
Summary
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.
Why it matters now
EPSS 0.00625 50th percentileScored 2026-11-07
Fix Fixed Umbraco.CMS (NuGet): 7.4.0
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
| — | Umbraco.CMS (NuGet) | before 7.4.0 | 7.4.0 | Patch available | GHSA-5f6p-4hxq-rjxm |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
- Umbraco.CMS (NuGet) Vendor— Affected before 7.4.0 Fixed in 7.4.0 Patch available GHSA-5f6p-4hxq-rjxm
Remediation
- Fix · GHSA-5f6p-4hxq-rjxm Umbraco.CMS (NuGet) Fixed in 7.4.0 Advisory →
Timeline
- 2026-10-02 Threatist record created from CVE-2015-8814
- 2026-10-03 Alias added: GHSA-5f6p-4hxq-rjxm
- 2026-11-03 EPSS moved to the 50th–90th percentile
References
More Umbraco vulnerabilities
- TI-2015-07255 The Page_Load function in… CVSS 3.0HIGH 8.2
- TI-2019-10410 In Umbraco 7.3.8, there is SQL Injection in the… CVSS 3.1CRITICAL 9.8
- TI-2015-07257 Multiple cross-site scripting (XSS) vulnerabilities in Umbraco before 7.4.0 allow remote… CVSS 3.0MEDIUM 6.1
Sources
- CVE-2015-8814 · CVE Program
- CVE-2015-8814 · NVD
- FIRST EPSS
- GHSA-5f6p-4hxq-rjxm · GitHub Advisory Database · CC BY 4.0
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