CVE-2022-2256

Name: CVE-2022-2256
Creator: NVD / NIST
Published: 2022-09-01T21:15:09.287+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

LOWCVSS 3.8/10EPSS 0.55%

Last modified Jun 17, 2026

CVE-2022-2256 is a low-severity vulnerability rated 3.8/10 on the CVSS scale. A Stored Cross-site scripting (XSS) vulnerability was found in keycloak as shipped in Red Hat Single Sign-On 7. This flaw allows a privileged attacker to execute malicious scripts in the admin console, abusing the default roles functionality.. EPSS estimates a 0.55% chance of exploitation in the next 30 days.

Description

A Stored Cross-site scripting (XSS) vulnerability was found in keycloak as shipped in Red Hat Single Sign-On 7. This flaw allows a privileged attacker to execute malicious scripts in the admin console, abusing the default roles functionality.

Metrics

CVSS 3.1

3.8/10

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:N

EPSS Probability

0.55%

41.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Redhat	Single Sign-On	7.0

References

https://bugzilla.redhat.com/show_bug.cgi?id=2101942Issue Tracking, Vendor Advisory
https://github.com/keycloak/keycloak/security/advisories/GHSA-w9mf-83w3-fv49Broken Link, Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2101942Issue Tracking, Vendor Advisory
https://github.com/keycloak/keycloak/security/advisories/GHSA-w9mf-83w3-fv49Broken Link, Third Party Advisory

Timeline

Published: Sep 1, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2022-2256?

How severe is CVE-2022-2256?

CVE-2022-2256 has a CVSS score of 3.8/10 (LOW severity). The EPSS model estimates a 0.55% probability of exploitation in the next 30 days.

How do I fix CVE-2022-2256?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2022-2256?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST