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  5. CVE-2018-8899

CVE-2018-8899: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

March 22, 2018 (updated April 18, 2018)

IdentityServer IdentityServer4 does not encode the redirect URI on the authorization response page, which might lead to XSS in some configurations.

References

  • github.com/IdentityServer/IdentityServer4/commit/21d0da227f50ac102de469a13bc5a15d2cc0f895
  • github.com/IdentityServer/IdentityServer4/issues/2164
  • github.com/IdentityServer/IdentityServer4/releases/tag/1.5.3
  • github.com/IdentityServer/IdentityServer4/releases/tag/2.1.3
  • nvd.nist.gov/vuln/detail/CVE-2018-8899

Code Behaviors & Features

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Affected versions

All versions starting from 1.0.0 up to 1.5.2, all versions starting from 2.0.0 up to 2.1.2

Fixed versions

  • 1.5.3
  • 2.1.3

Solution

Upgrade to versions 1.5.3, 2.1.3 or above.

Impact 6.1 MEDIUM

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Learn more about CVSS

Weakness

  • CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Source file

nuget/identityserver4/CVE-2018-8899.yml

Spotted a mistake? Edit the file on GitLab.

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