XSS in Red Hat Single Sign-On
CVE-2022-2256
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.
Vulnerability class: XSS (Cross-Site Scripting)
EPSS: 0.006 (43.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 3.8 (Low). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:N.
Affected products
- Redhat Single_sign-on — versions 7.0
- N/a Keycloak — versions keycloak as shipped in Red Hat Single Sign-On 7
Weakness classification (CWE)
Public proof-of-concept exploits
References
- secalert@redhat.com (x_refsource_MISC, Issue Tracking, Vendor Advisory)
- secalert@redhat.com (Third Party Advisory, x_refsource_MISC, Broken Link)
Frequently asked questions
- What is CVE-2022-2256?
- CVE-2022-2256 is a low-severity vulnerability in Red Hat Single Sign-On, classified under Cross-site Scripting. CVSS score: 3.8/10. Published 2022-09-01.
- How severe is CVE-2022-2256?
- Low severity. CVSS v3 base score is 3.8 out of 10.
- Is CVE-2022-2256 known to be exploited?
- 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.