CVE-2021-20323
keycloak-services: POST based reflected Cross Site Scripting vulnerability
Severity Score
6.1
*CVSS v3.1
Exploit Likelihood
*EPSS
Affected Versions
*CPE
Public Exploits
3
*Multiple Sources
Exploited in Wild
-
*KEV
Decision
-
*SSVC
Descriptions
A POST based reflected Cross Site Scripting vulnerability on has been identified in Keycloak.
Se ha identificado una vulnerabilidad de tipo Cross Site Scripting reflejado basada en POST en Keycloak
A flaw has been found in Keycloak. The clients-registrations endpoint allows execution of javascript code on the client-side, which makes it vulnerable to a Cross-Site Scripting attack.
*Credits:
N/A
CVSS Scores
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Attack Vector
Attack Complexity
Authentication
Confidentiality
Integrity
Availability
* Common Vulnerability Scoring System
SSVC
- Decision:-
Exploitation
Automatable
Tech. Impact
* Organization's Worst-case Scenario
Timeline
- 2020-12-17 CVE Reserved
- 2022-03-25 CVE Published
- 2022-12-07 First Exploit
- 2024-08-03 CVE Updated
- 2024-10-29 EPSS Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
CWE
- CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CAPEC
References (5)
| URL | Tag | Source |
|---|
| URL | Date | SRC |
|---|---|---|
| https://github.com/ndmalc/CVE-2021-20323 | 2022-12-07 | |
| https://github.com/Cappricio-Securities/CVE-2021-20323 | 2024-05-21 | |
| https://github.com/cscpwn0sec/CVE-2021-20323 | 2024-07-14 |
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|---|---|
| https://bugzilla.redhat.com/show_bug.cgi?id=2013577 | 2022-02-02 | |
| https://access.redhat.com/security/cve/CVE-2021-20323 | 2022-02-02 |