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CVE-2015-8814

28
FAUCET Score

CVE-2015-8814 describes a Cross-Site Request Forgery (CSRF) vulnerability in Umbraco versions prior to 7.4.0, allowing remote attackers to bypass anti-forgery measures and manipulate user account information. This vulnerability carries a high CVSS score of 8.8, indicating a critical risk due to its network-based attack vector, low attack complexity, and high impact on confidentiality, integrity, and availability. Despite its severity, there is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
7.3.8CPE matchmatch criteria
cpe:2.3:a:umbraco:umbraco:7.3.8:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

8.8HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
2.8
Impact Score
5.9
CvssVersion
3.0

Exploit Intelligence

EPSS Score
0.63%
Probability of exploitation in next 30 days
EPSS Percentile
46.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0063 is in the 48th percentile among its peer group of 14,875 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.1 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

github_advisorypatch availablevia nvd_reference
View patch
nugetpatch availablevia ghsa
Product: Umbraco.CMSFixed in: 7.4.0

Vendor Advisories (1)

nugetGHSA-5f6p-4hxq-rjxmhigh

Umbraco CMS vulnerable to CSRF

May 17, 2022

References

issues.umbraco.org / issue/U4-7459
Issue Tracking
github.com / umbraco/Umbraco-CMS/commit/18c3345e47663a358a042652e697b988d6a380eb
Patch
openwall.com / lists/oss-security/2016/02/16/10
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