VulnerabilityModified
CVE-2018-14655
When using 'response_mode=form_post' it is possible to inject arbitrary Javascript-Code via the 'state'-parameter in the authentication URL.
MEDIUM 5.4EPSS 1.19%
Does this matter?
Lower severity and a low EPSS score (1.19%). Track it; it rarely justifies an emergency change on its own.
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 3.0
- 5.4 MEDIUMCVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
- EPSS
- 1.19% probability · 66th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-79
- Affected
- redhat/keycloak · redhat/single sign-on
- Source
- secalert@redhat.com
References
- https://access.redhat.com/errata/RHSA-2018:3592Vendor Advisory
- https://access.redhat.com/errata/RHSA-2018:3593Vendor Advisory
- https://access.redhat.com/errata/RHSA-2018:3595Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-14655Issue Tracking, Vendor Advisory
- https://access.redhat.com/errata/RHSA-2018:3592Vendor Advisory
- https://access.redhat.com/errata/RHSA-2018:3593Vendor Advisory
- https://access.redhat.com/errata/RHSA-2018:3595Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-14655Issue Tracking, Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.