CVE-2023-32312 — UmbracoIdentityExtensions is an Umbraco add-on package that enables easy extensi
UmbracoIdentityExtensions is an Umbraco add-on package that enables easy extensibility points for ASP.Net Identity integration. In affected versions client secrets are not required which may expose some endpoints to untrusted actors. Since Umbraco is not a single-page application
Published
2023-06-09T19:29:13.302Z
Last modified
2025-01-06T18:08:06.962Z
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
01What is this vulnerability?
UmbracoIdentityExtensions is an Umbraco add-on package that enables easy extensibility points for ASP.Net Identity integration. In affected versions client secrets are not required which may expose some endpoints to untrusted actors. Since Umbraco is not a single-page application, the implicit flow is not safe. For traditional MVC applications, it is recommended to use the authorization code…
02Affected products
| Vendor | Product | Versions |
|---|
| umbraco | UmbracoIdentityExtensions | <= 2.0.0 |
03Active exploitation status
Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.
04Recommended remediation
- Patch to a fixed version listed in the vendor advisory (see references below).
- Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
- Hunt historical logs for exploitation indicators — see Detection signatures below.
05Technical details
For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.
06Detection signatures
Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.
07Related CVEs
No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.
08Timeline
- Published: 2023-06-09T19:29:13.302Z
- Last modified: 2025-01-06T18:08:06.962Z
09References
- github.com — https://github.com/umbraco/UmbracoIdentityExtensions/security/advisories/GHSA-f2…
- github.com — https://github.com/umbraco/UmbracoIdentityExtensions/pull/53
- github.com — https://github.com/umbraco/UmbracoIdentityExtensions/commit/e792429f9d1fa25c1ba4…
- docs.umbraco.com — https://docs.umbraco.com/umbraco-cms/reference/security/external-login-providers
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