# Umbraco-CMS.

Every CVE that names Umbraco-CMS among its affected products, newest first. Vendors and products are as the CNA wrote them.

## Records, newest first

- [Umbraco CMS before 17.7.2 and 18.2.2 Account Takeover via Host Header Poisoning](https://agentprime.io/advisories/CVE-2026-117553.md)
  `CVE-2026-117553` · CVE record: umbraco Umbraco-CMS · CVSS 7.7 High · Not analysed yet · Published 27 Oct 2026 · Tags: Open redirect
- [Umbraco CMS before 17.7.1 and 18.2.1 Missing Authorization on SignalR Hubs](https://agentprime.io/advisories/CVE-2026-111624.md)
  `CVE-2026-111624` · CVE record: umbraco Umbraco-CMS · CVSS 6.3 Medium · Not analysed yet · Published 16 Oct 2026 · Tags: Authentication bypass
- [Umbraco CMS < 4.7.1 codeEditorSave.asmx RCE](https://agentprime.io/advisories/CVE-2012-10054.md)
  `CVE-2012-10054` · CVE record: Umbraco CMS · CVSS 9.3 Critical · Critical (CVSS 9+) · Not analysed yet · Published 13 Aug 2025 · Tags: Path traversal, Unrestricted file upload
- [A stored XSS vulnerability exists in Umbraco CMS <= 8.9.1 or current.](https://agentprime.io/advisories/CVE-2020-5810.md)
  `CVE-2020-5810` · CVE record: Umbraco CMS · No CVSS score · EPSS 0.62 · Not analysed yet · Published 30 Dec 2020

## Filters and formats

Filters are query parameters on this URL: `q` (words, as in a web search engine: `"a phrase"`, `OR`, `-word`; an id; a package or product name), `severity` (low, medium, high or critical), `critical=1`, `kev=1`, `ecosystem` (npm, pypi, packagist, go, maven, rubygems, crates, nuget, hex), `kind=package`, `assigner` (a CNA’s short name), `min_score` and `state`. Each record’s title links to its Markdown page.

- The same list as JSON: <https://api.agentprime.io/v1/advisories?technology=umbraco-cms>
- Every list: <https://agentprime.io/advisories.md>, critical: <https://agentprime.io/advisories/critical.md>; by weakness: <https://agentprime.io/advisories/tag/sql-injection.md> and the other tags in <https://agentprime.io/llms.txt>; by technology: `/advisories/technology/<slug>.md` (`fortinet-fortimail`)

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The web page: <https://agentprime.io/advisories/technology/umbraco-cms/>. Everything for agents: <https://agentprime.io/llms.txt>.