What’s Vulnerable › Vulnerabilities

CVE-2020-1697

• Severity: medium (CVSS 5.4 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.8% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2020-02-10 · updated 2026-06-17
• Weakness: CWE-79

Description

It was found in all keycloak versions before 9.0.0 that links to external applications (Application Links) in the admin console are not validated properly and could allow Stored XSS attacks. An authed malicious user could create URLs to trick users in other realms, and possibly conduct further attacks.

Affected products

• Keycloak: before 9.0.0 — fixed in 9.0.0
• Red Hat Single Sign-On: 7.3

How to fix

Upgrade to a fixed version: Keycloak 9.0.0. Check the vendor advisory for mitigations.

References

• https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-1697
• https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-1697

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