Vulnerability Details CVE-2019-12250
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
Exploit prediction scoring system (EPSS) score
EPSS Score 0.002
EPSS Ranking 47.2%
CVSS Severity
CVSS v3 Score 6.1
CVSS v2 Score 4.3
Products affected by CVE-2019-12250
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cpe:2.3:a:identityserver:identityserver4:1.0.0
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cpe:2.3:a:identityserver:identityserver4:1.0.1
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cpe:2.3:a:identityserver:identityserver4:1.0.2
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cpe:2.3:a:identityserver:identityserver4:1.1.0
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cpe:2.3:a:identityserver:identityserver4:1.1.1
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cpe:2.3:a:identityserver:identityserver4:1.2
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cpe:2.3:a:identityserver:identityserver4:1.2.0
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cpe:2.3:a:identityserver:identityserver4:1.2.1
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cpe:2.3:a:identityserver:identityserver4:1.3.0
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cpe:2.3:a:identityserver:identityserver4:1.3.1
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cpe:2.3:a:identityserver:identityserver4:1.4.0
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cpe:2.3:a:identityserver:identityserver4:1.4.1
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cpe:2.3:a:identityserver:identityserver4:1.4.2
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cpe:2.3:a:identityserver:identityserver4:1.5.0
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cpe:2.3:a:identityserver:identityserver4:1.5.1
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cpe:2.3:a:identityserver:identityserver4:1.5.2
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cpe:2.3:a:identityserver:identityserver4:1.5.3
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cpe:2.3:a:identityserver:identityserver4:2.0.0
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cpe:2.3:a:identityserver:identityserver4:2.0.1
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cpe:2.3:a:identityserver:identityserver4:2.0.2
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cpe:2.3:a:identityserver:identityserver4:2.0.3
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cpe:2.3:a:identityserver:identityserver4:2.0.4
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cpe:2.3:a:identityserver:identityserver4:2.0.5
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cpe:2.3:a:identityserver:identityserver4:2.0.6
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cpe:2.3:a:identityserver:identityserver4:2.1.0
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cpe:2.3:a:identityserver:identityserver4:2.1.1
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cpe:2.3:a:identityserver:identityserver4:2.1.2
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cpe:2.3:a:identityserver:identityserver4:2.1.3
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cpe:2.3:a:identityserver:identityserver4:2.2.0
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cpe:2.3:a:identityserver:identityserver4:2.3.0
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cpe:2.3:a:identityserver:identityserver4:2.3.1
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cpe:2.3:a:identityserver:identityserver4:2.3.2
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cpe:2.3:a:identityserver:identityserver4:2.4.0