SecuriTricks - CVE-2026-53473

Description

A flaw was found in migration-planner-ui-app. An attacker can register a malicious discovery agent with a specially crafted credentialUrl containing JavaScript code. When an organizational user clicks this link in the user interface, the embedded malicious code executes within the user's browser session. This cross-site scripting (XSS) vulnerability allows the attacker to compromise the victim's Red Hat Single Sign-On (SSO) session, potentially leading to unauthorized cross-tenant data access and API actions.

Product(s) Impacted

Vendor	Product	Versions
Red Hat	Migration-planner-ui-app Red Hat Single Sign-on	* *

Weaknesses

Common security weaknesses mapped to this vulnerability.

CWE-79

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.

*CPE(s)

Affected systems and software identified for this CVE.

Type	Vendor	Product	Version	Update	Edition	Language	Software Edition	Target Software	Target Hardware	Other Information
a	red_hat	migration-planner-ui-app	/	/	/	/	/	/	/	/
a	red_hat	red_hat_single_sign-on	/	/	/	/	/	/	/	/

References

https://access.redhat.com/security/cve/CVE-2026-53473

https://bugzilla.redhat.com/show_bug.cgi?id=2487107

https://github.com/kubev2v/migration-planner-ui-app/pull/750

CVSS Score

7.3 / 10

CVSS Data - 3.1

Attack Vector: NETWORK
Attack Complexity: LOW
Privileges Required: LOW
Scope: UNCHANGED
Confidentiality Impact: HIGH
Integrity Impact: HIGH
Availability Impact: NONE

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

View Vector String

Timeline

Published: June 10, 2026, 3:16 p.m.
Last Modified: June 10, 2026, 7:24 p.m.

Status : Awaiting Analysis

CVE has been recently published to the CVE List and has been received by the NVD.

More info

Source

[email protected]

CVE-2026-53473