GSA_kwCzR0hTQS00NThoLXd2NDgtZnE3Nc4AARNL

Moderate EPSS: 0.00234% (0.46195 Percentile) EPSS:

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Keycloak vulnerable to cross-site scripting via the state parameter

Affected Packages	Affected Versions	Fixed Versions
maven:org.keycloak:keycloak-parent	= 4.3.0.Final, >= 4.0.0.Beta1, <= 4.0.0.Beta2, <= 3.4.3.Final	No known fixed version
9 Dependent packages 41 Dependent repositories Affected Version Ranges All affected versions 5.0.0, 6.0.0, 6.0.1, 7.0.0, 7.0.1, 8.0.0, 8.0.1, 8.0.2, 9.0.0, 9.0.2, 9.0.3, 10.0.0, 10.0.1, 10.0.2, 11.0.0, 11.0.1, 11.0.2, 11.0.3, 12.0.0, 12.0.1, 12.0.2, 12.0.3, 12.0.4, 13.0.0, 13.0.1, 14.0.0, 15.0.0, 15.0.1, 15.0.2, 15.1.0, 15.1.1, 16.0.0, 16.1.0, 16.1.1, 17.0.0, 17.0.1, 18.0.0, 18.0.1, 18.0.2, 19.0.0, 19.0.1, 19.0.2, 19.0.3, 20.0.0, 20.0.1, 20.0.2, 20.0.3, 20.0.4, 20.0.5, 21.0.0, 21.0.1, 21.0.2, 21.1.0, 21.1.1, 21.1.2, 22.0.0, 22.0.1, 22.0.2, 22.0.3, 22.0.4, 22.0.5, 23.0.0, 23.0.1, 23.0.2, 23.0.3, 23.0.4, 23.0.5, 23.0.6, 23.0.7, 24.0.0, 24.0.1, 24.0.2, 24.0.3, 24.0.4, 24.0.5, 25.0.0, 25.0.1, 25.0.2, 25.0.3, 25.0.4, 25.0.5, 25.0.6, 26.0.0, 26.0.1, 26.0.2, 26.0.3, 26.0.4, 26.0.5, 26.0.6, 26.0.7, 26.0.8, 26.1.0, 26.1.1, 26.1.2, 26.1.3, 26.1.4, 26.1.5, 26.2.0, 26.2.1, 26.2.2, 26.2.3, 26.2.4, 26.2.5, 26.3.0, 26.3.1, 26.3.2

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:

ecosyste.ms

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GSA_kwCzR0hTQS00NThoLXd2NDgtZnE3Nc4AARNL

Keycloak vulnerable to cross-site scripting via the state parameter

Affected Version Ranges

All affected versions

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EPSS

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