CVE-2018-14655

MEDIUM

Keycloak 3.4.3.Final, 4.0.0.Beta2, 4.3.0.Final - Cross-Site Scripting via State Parameter

Title source: llm
STIX 2.1

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.

References (4)

Core 4
Core References
Issue Tracking, Vendor Advisory x_refsource_confirm
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-14655
Vendor Advisory vendor-advisory x_refsource_redhat
https://access.redhat.com/errata/RHSA-2018:3592
Vendor Advisory vendor-advisory x_refsource_redhat
https://access.redhat.com/errata/RHSA-2018:3593
Vendor Advisory vendor-advisory x_refsource_redhat
https://access.redhat.com/errata/RHSA-2018:3595

Scores

CVSS v3 4.6
EPSS 0.0022
EPSS Percentile 44.5%
Attack Vector NETWORK
CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N

Details

CWE
CWE-79
Status published
Products (6)
org.keycloak/keycloak-parent 0Maven
redhat/keycloak 3.4.3
redhat/keycloak 4.0.0 beta2
redhat/keycloak 4.3.0
redhat/single_sign-on 7.2
redhat/single_sign-on
Published Nov 13, 2018
Tracked Since Feb 18, 2026