Medium severity · published Nov 13, 2018
CVE-2018-14655
A flaw was found in Keycloak 3.4.3.Final, 4.0.0.Beta2, 4.3.0.Final
5.4
CVSS
1.2%
EPSS
No
On KEV
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
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
Required
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)1.2% · higher than 68% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
KE
Keycloak · Redhat
3.4.3; 4.0.0; 4.3.0 · source: NVD
SS
Single Sign-on · Redhat
7.2; 7.2 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2018-14655
CVE.org
https://www.cve.org/CVERecord?id=CVE-2018-14655
Vendor Advisory
https://access.redhat.com/errata/RHSA-2018:3592
Vendor Advisory
https://access.redhat.com/errata/RHSA-2018:3593
Vendor Advisory
https://access.redhat.com/errata/RHSA-2018:3595
Issue Tracking
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-14655
More from Keycloak
9.8
CVE-2022-1245
A privilege escalation flaw was found in the token exchange feature of keycloak
9.8
CVE-2019-14910
A vulnerability was found in keycloak 7.x, when keycloak is configured with LDAP user federation and StartTLS is used instead of SSL/TLS from the LDAP server (ldaps), in this case…
9.6
CVE-2021-20195
A flaw was found in keycloak in versions before 13.0.0
9.1
CVE-2022-3782
keycloak: path traversal via double URL encoding
9.1
CVE-2019-14837
A flaw was found in keycloack before version 8.0.0