CVE-2021-20323

MEDIUM NUCLEI

Redhat Keycloak < 17.0.0 - XSS

Title source: rule

Description

A POST based reflected Cross Site Scripting vulnerability on has been identified in Keycloak.

Exploits (3)

nomisec WORKING POC 13 stars
by ndmalc · poc
https://github.com/ndmalc/CVE-2021-20323
nomisec SCANNER 2 stars
by Cappricio-Securities · poc
https://github.com/Cappricio-Securities/CVE-2021-20323
nomisec SCANNER
by cscpwn0sec · poc
https://github.com/cscpwn0sec/CVE-2021-20323

Nuclei Templates (1)

Keycloak 10.0.0 - 18.0.0 - Cross-Site Scripting
MEDIUMVERIFIEDby ndmalc,incogbyte
Shodan: html:"Keycloak" || http.title:"keycloak" || http.html:"keycloak" || http.favicon.hash:-1105083093
FOFA: title="keycloak" || icon_hash=-1105083093 || body="keycloak"

References (1)

Scores

CVSS v3 6.1
EPSS 0.6605
EPSS Percentile 98.5%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Details

CWE
CWE-79
Status published
Products (2)
org.keycloak/keycloak-core 15.0.0 - 17.0.0Maven
redhat/keycloak < 17.0.0
Published Mar 25, 2022
Tracked Since Feb 18, 2026