🛡️ CVE-2026-53473 — migration-planner-ui

🟠 CVSS 7.3 — High ✅ No Known Exploit CWE-79 NVD
7.3
CVSS Score
0 Low4 Medium7 High9 Critical10

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.

How this vulnerability can be exploited

This issue can be reached over the network, attack complexity is low, an attacker needs low-level privileges on the target. A user must be tricked into taking some action. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality high, integrity high, availability none.

Weakness class

CVE-2026-53473 is classified as CWE-79: Cross-site Scripting (XSS). User-supplied data is written into a page without escaping, so attacker script runs in the browser of anyone who views it.

Affected software

CVE-2026-53473 is recorded against 2 packages.

  • migration-planner-ui (fixed in 0.13.5)
  • unknown

Timeline and source

Published on 10 June 2026 and last revised on 17 June 2026. No public exploit is currently recorded for this entry. A vendor advisory or fix has been published. Record sourced from NVD.

References

access.redhat.com
bugzilla.redhat.com
github.com

Details

Severity HIGH
CVSS Score 7.3
CVSS Vector CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N
CWE CWE-79
Public Exploit ✅ No
Source NVD
Published 2026-06-10
Updated 2026-08-11
Modified 2026-06-17

Affected Packages

Software From version Fixed in
migration-planner-ui — 0.13.5
unknown — —

Site Security Check

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