CVE-2026-53473

5.4 mediumEPSS 0.2%

Medium (5.4) in kubev2v migration planner ui. EPSS 0.2% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

5.4 medium

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

EPSS: 0.2% chance of exploitation in the next 30 days; higher than 8% of CVEs (scores of 2026-10-31)
CWE: CWE-79
Published: 2026-06-10
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

kubev2v:migration_planner_ui

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

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