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CVE-2022-2256

13
FAUCET Score

CVE-2022-2256 is a Stored Cross-site Scripting (XSS) vulnerability affecting Red Hat Single Sign-On 7, specifically within its Keycloak component. This flaw allows a privileged attacker to execute malicious scripts in the admin console by abusing default roles. Rated as LOW severity with a CVSS score of 3.8, it requires high privileges and no user interaction, potentially leading to limited impact on confidentiality and integrity. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
7.0CPE matchmatch criteria
cpe:2.3:a:redhat:single_sign-on:7.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

3.8LOW

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
Exploitability Score
1.2
Impact Score
2.5
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.57%
Probability of exploitation in next 30 days
EPSS Percentile
43.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0057 is in the 61st percentile among its peer group of 709 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.0 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (5)

mavenpatch availablevia ghsa
Product: org.keycloak:keycloak-parentFixed in: 19.0.2
redhatpatch availablevia redhat_api
Product: Red Hat Single Sign-On 7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Single Sign-On 7.5 for RHEL 7Fixed in: rh-sso7-keycloak-0:15.0.8-1.redhat_00001.1.el7sso
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Single Sign-On 7.5 for RHEL 8Fixed in: rh-sso7-keycloak-0:15.0.8-1.redhat_00001.1.el8sso
View patch
redhatvendor investigatingvia nvd_reference
View patch

Vendor Advisories (2)

mavenGHSA-w9mf-83w3-fv49medium

Keycloak vulnerable to Stored Cross site Scripting (XSS) when loading default roles

Sep 23, 2022
redhatCVE-2022-2256Low

keycloak: improper input validation permits script injection

Jun 28, 2022

References

bugzilla.redhat.com / show_bug.cgi
Issue TrackingVendor Advisory
github.com / keycloak/keycloak/security/advisories/GHSA-w9mf-83w3-fv49
Broken LinkThird Party Advisory