CVE-2015-8814

HIGHNVD 8.88.8—

8.8

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.

CVSS v3: 8.8
EG Score: 8.8(medium)
EPSS: 28.4%
KEV: Not listed

Published

March 3, 2017

Last Modified

May 13, 2026

References (6)

cve@mitrehttp://issues.umbraco.org/issue/U4-7459
cve@mitrehttp://www.openwall.com/lists/oss-security/2016/02/16/10
cve@mitrehttps://github.com/umbraco/Umbraco-CMS/commit/18c3345e47663a358a042652e697b988d6a380eb
af854a3a-2127-422b-91ae-364da2661108http://issues.umbraco.org/issue/U4-7459
af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2016/02/16/10
af854a3a-2127-422b-91ae-364da2661108https://github.com/umbraco/Umbraco-CMS/commit/18c3345e47663a358a042652e697b988d6a380eb

Affected Packages

(1 across 1 ecosystem)

NuGet(1)

Package	Vulnerable range	Fixed in	Dependents
Umbraco.CMS	—	7.4.0	—

Data Freshness Timeline

(refreshed 9× in last 7d / 20× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-02 20:10 UTCepss_batch
2026-06-01 13:49 UTCepss_batch
2026-06-01 13:49 UTCepss_batch
2026-05-31 22:28 UTCepss_batch
2026-05-31 22:28 UTCepss_batch
2026-05-31 00:14 UTCepss_batch
2026-05-29 13:41 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
2026-05-27 13:38 UTCepss_batch
2026-05-27 13:38 UTCepss_batch
2026-05-26 13:41 UTCepss_batch
2026-05-26 07:16 UTCepss_batch
2026-05-26 07:16 UTCepss_batch
2026-05-24 16:43 UTCepss_batch
2026-05-23 00:10 UTCEG score recompute
2026-05-22 21:15 UTCepss_batch
2026-05-22 15:45 UTCEG score recompute
2026-05-21 22:40 UTCepss_batch
2026-05-20 22:37 UTCepss_batch

Frequently asked(5)

What is CVE-2015-8814?

CVE-2015-8814 is a high vulnerability published on March 3, 2017. 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.

When was CVE-2015-8814 disclosed?

CVE-2015-8814 was first published in the National Vulnerability Database on March 3, 2017, with the most recent update on May 13, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2015-8814 actively exploited?

CVE-2015-8814 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 28.4% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2015-8814?

CVE-2015-8814 has a CVSS v3 base score of 8.8 (NVD).

How do I remediate CVE-2015-8814?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2015-8814, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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CVE-2015-8814

📅 Published

🔄 Last Modified

🔗 References (6)