VULNERABILITY INTELLIGENCE

CVE-2019-12250

CVSS score6.1 MEDIUM
EPSS probability0.85%
CISA KEVNot currently listed
Published2019-05-21
Last modified2026-06-17
CVSS vectorCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Description

IdentityServer IdentityServer4 through 2.4 has stored XSS via the httpContext to the host/Extensions/RequestLoggerMiddleware.cs LogForErrorContext method, which can be triggered by viewing a log. NOTE: the software maintainer disputes that this is a vulnerability because the request logger is not part of IdentityServer but only our development test host

Weakness classification

  • nvd@nist.gov: CWE-79

Primary references