Staging Environment: Content and features may be unstable or change without notice.
Advisory details: github_osv / GHSA-cvg2-7c3j-g36j
Advisory ID github_osv/GHSA-cvg2-7c3j-g36j
Aliases CVE-2023-6134
Summary Keycloak vulnerable to reflected XSS via wildcard in OIDC redirect_uri Keycloak prevents certain schemes in redirects, but permits them if a wildcard is appended to the token. This could permit an attacker to submit a specially crafted request leading to XSS or possibly further attacks.
Status Published
Exploitability 0.5
Weighted Severity 4.1
Risk 2.0
Affected and Fixed Packages Package Details
Introduced and Fixed Package Commit Patches Package Commit Patches Details
Weaknesses (1)
CWE-75 Failure to Sanitize Special Elements into a Different Plane (Special Element Injection)
System Score Found at
cvssv3.1 4.6 https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2023/12/GHSA-cvg2-7c3j-g36j/GHSA-cvg2-7c3j-g36j.json
generic_textual MODERATE
Reference id Reference type URL
https://bugzilla.redhat.com/show_bug.cgi?id=2249673
https://github.com/keycloak/keycloak
https://github.com/keycloak/keycloak/commit/15a21bf8e4fb71f006ba9caf25b9c9d1d152cd20
CVE-2023-6134 https://access.redhat.com/security/cve/CVE-2023-6134
CVE-2023-6134 https://nvd.nist.gov/vuln/detail/CVE-2023-6134
GHSA-cvg2-7c3j-g36j https://github.com/keycloak/keycloak/security/advisories/GHSA-cvg2-7c3j-g36j
RHSA-2023:7854 https://access.redhat.com/errata/RHSA-2023:7854
RHSA-2023:7855 https://access.redhat.com/errata/RHSA-2023:7855
RHSA-2023:7856 https://access.redhat.com/errata/RHSA-2023:7856
RHSA-2023:7857 https://access.redhat.com/errata/RHSA-2023:7857
RHSA-2023:7858 https://access.redhat.com/errata/RHSA-2023:7858
RHSA-2023:7860 https://access.redhat.com/errata/RHSA-2023:7860
RHSA-2023:7861 https://access.redhat.com/errata/RHSA-2023:7861
No exploits are available.

No EPSS data available for this advisory.

Patch URL
There are no known patches.
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N Found at https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2023/12/GHSA-cvg2-7c3j-g36j/GHSA-cvg2-7c3j-g36j.json
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none

There are no SSVC decisions available.