Vulnerability · Published Nov 17, 2020 · Assigned by redhat

CVE-2020-10776

Medium 4.8

In plain English

A medium-severity cross-site scripting in keycloak. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.8% (higher than 56% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS NVD)4.8Medium
Exploit odds (30 days)0.8%top 43.9% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official description

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.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Mavenorg.keycloak:keycloak-server-spi-private12.0.0GHSA-484q-784p-8m5h
Mavenorg.keycloak:keycloak-services12.0.0GHSA-484q-784p-8m5h

Affected products (as reported)

VendorProductVersions
n/a keycloak before version 12.0.0

Weakness: CWE-79

References