CVE-2018-14655: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

May 13, 2022 (updated July 21, 2023)

A flaw was found in Keycloak 3.4.3.Final, 4.0.0.Beta2, 4.3.0.Final. When using ‘response_mode=form_post’ it is possible to inject arbitrary Javascript-Code via the ‘state’-parameter in the authentication URL. This allows an XSS-Attack upon succesfully login.

References

access.redhat.com/errata/RHSA-2018:3592
access.redhat.com/errata/RHSA-2018:3593
access.redhat.com/errata/RHSA-2018:3595
bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-14655
github.com/advisories/GHSA-458h-wv48-fq75
nvd.nist.gov/vuln/detail/CVE-2018-14655

Code Behaviors & Features

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