CVE-2026-53472 Migration-planner: credentialurl validator accepts javascript: urls
An authenticated attacker can inject malicious JavaScript via credential URLs, leading to XSS and potential data disclosure in the Hybrid Cloud Console.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-53472?
CVE-2026-53472 is a medium-severity cross-site scripting vulnerability, published on 14 Aug 2026. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official description
A flaw was found in migration-planner. Insufficient validation of the `AgentStatusUpdate.CredentialUrl` field allows an authenticated attacker to store a malicious `javascript:` URL. When a victim views this URL in the Hybrid Cloud Console, it can lead to Cross-Site Scripting (XSS), enabling script execution in the victim's session and potentially disclosing sensitive information.
Weakness: CWE-79
Which versions are affected by CVE-2026-53472?
How do I fix CVE-2026-53472?
No fix has been published for CVE-2026-53472 yet. Limit exposure of the affected software until one is available.
Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.
Is CVE-2026-53472 being exploited?
There is no known exploitation of CVE-2026-53472 in the wild and no public exploit code.
Sources
Also known as GHSA-fq78-xg9g-8fwp.