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CVE-2018-17256
Persistent cross-site scripting (XSS) vulnerability in Umbraco CMS 7.12.3 allows authenticated users to inject arbitrary web script via…
Medium4.8EPSS 0.65%
- Published
- Updated
- Reserved
- Assigned by
- cspcert
Description
Persistent cross-site scripting (XSS) vulnerability in Umbraco CMS 7.12.3 allows authenticated users to inject arbitrary web script via the Header Name of a content (Blog, Content Page, etc.). The vulnerability is exploited when updating or removing public access of a content.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.0 | Medium4.8 | CVSS:3.0/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N |
- EPSS (exploitation in 30 days)
- 0.65% · top 49% of all CVEs (4 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 4.8.
Weakness
- Persistent cross-site scripting
- CWE-79 (opens in a new tab)All about CWE-79 and its CVEs
Affected products
CyberSecurity Philippines - CERT · UmbracoCMS
- affected 7.12.3
Affected packages
From reviewed advisories of the GitHub Advisory Database.
- NuGetumbracoGHSA-wrrj-r2j4-969w (opens in a new tab)
References (1)
- https://www.cspcert.ph/advisories/2018/CVE-2018-17256.html (opens in a new tab)x_refsource_MISCx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisory GHSA-wrrj-r2j4-969w (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2018-17256)Record last updated .