Vulnerability Details CVE-2018-8899
IdentityServer IdentityServer4 1.x before 1.5.3 and 2.x before 2.1.3 does not encode the redirect URI on the authorization response page, which might lead to XSS in some configurations.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.003
EPSS Ranking 52.3%
CVSS Severity
CVSS v3 Score 6.1
CVSS v2 Score 4.3
Products affected by CVE-2018-8899
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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:identityserver4:2.0.0
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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