CVE-2022-1438Public exploitNetwork attack vector

Stored XSS via unsanitized impersonation error username

Published Sep 20, 2023 · Updated Sep 24, 2024

Stored XSS in Red Hat Single Sign-On before 7.6.2 allows remote authenticated users to execute script in an administrator's browser. AuthenticationProcessor passes the active session username to the DIFFERENT_USER_AUTHENTICATED error without HTML sanitization. Exploitation requires an administrator-created scripted username, the legacy admin console, impersonation, and a browser session already authenticated as that user.

CVSS severity6.4
Medium
EPSS probability0.66%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Stored XSS in Red Hat Single Sign-On before 7.6.2 allows remote authenticated users to execute script in an administrator's browser. AuthenticationProcessor passes the active session username to the DIFFERENT_USER_AUTHENTICATED error without HTML sanitization. Exploitation requires an administrator-created scripted username, the legacy admin console, impersonation, and a browser session already authenticated as that user.

The record

CVE
CVE-2022-1438
Published
Sep 20, 2023
Updated
Sep 24, 2024
Vendor
Red Hat
Product
RHEL-8 based Middleware Containers
Classifications
CWE-79, T1059.007
Attack vector
network
Privileges
admin

Timeline

How it unfolded

  1. Sep 20, 2023CVE publishedPublication date reported by the CVE source.
  2. Sep 24, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Affected versions are unavailable in this record. Check the vendor advisory for version and patch details.

What conditions does exploitation require?

Attack vectornetwork
Required privilegesadmin

What is affected?

Red Hat · RHEL-8 based Middleware ContainersAffected versions are unavailable in this record.
Red Hat · Red Hat Single Sign-OnAffected versions are unavailable in this record.

Published CVSS scores

4.8NVDCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
6.4Red HatCVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:H/I:H/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesadmin
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
T1059.007JavaScript/JScript

Public exploit references

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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