CVE-2018-14655 Information

Description

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.

CVSS Vector

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

Reference

https://access.redhat.com/errata/RHSA-2018:3592 https://access.redhat.com/errata/RHSA-2018:3593 https://access.redhat.com/errata/RHSA-2018:3595 https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-14655

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

REQUIRED

Confidentiality Impact

CHANGED

Integrity Impact

LOW

Availability Impact

LOW

Base Score

NONE

Base Severity

5.4