CVE-2020-10776
keycloak: OIDC redirect_uri allows dangerous schemes resulting in potential XSS
Severity Score
Exploit Likelihood
Affected Versions
Public Exploits
0Exploited in Wild
-Decision
Descriptions
A flaw was found in Keycloak before version 12.0.0, where it is possible to add unsafe schemes for the redirect_uri parameter. This flaw allows an attacker to perform a Cross-site scripting attack.
Se encontró un fallo en Keycloak versiones anteriores a 12.0.0, donde es posible agregar esquemas no seguros para el parámetro redirect_uri. Este fallo permite a un atacante llevar a cabo un ataque de tipo Cross-site scripting
A flaw was found in Keycloak, where it is possible to add unsafe schemes for the redirect_uri parameter. This flaw allows an attacker to perform a Cross-site scripting attack.
Red Hat Single Sign-On 7.4 is a standalone server, based on the Keycloak project, that provides authentication and standards-based single sign-on capabilities for web and mobile applications. This release of Red Hat Single Sign-On 7.4.3 serves as a replacement for Red Hat Single Sign-On 7.4.2, and includes bug fixes and enhancements, which are documented in the Release Notes document linked to in the References. Issues addressed include bypass, cross site scripting, denial of service, and man-in-the-middle vulnerabilities.
CVSS Scores
SSVC
- Decision:-
Timeline
- 2020-03-20 CVE Reserved
- 2020-11-05 CVE Published
- 2024-08-04 CVE Updated
- 2025-03-30 EPSS Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
- ---------- First Exploit
CWE
- CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CAPEC
References (2)
| URL | Tag | Source |
|---|
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|---|---|
| https://bugzilla.redhat.com/show_bug.cgi?id=1847428 | 2020-11-04 | |
| https://access.redhat.com/security/cve/CVE-2020-10776 | 2020-11-04 |