MEDIUM 5.4 NVD
CVE-2026-75599
HomeBox is a home inventory and organization system. Prior to 0.27.0, the maybeUrl() utility accepts markdown-style links in entity custom-field values without
HomeBox is a home inventory and organization system. Prior to 0.27.0, the maybeUrl() utility accepts markdown-style links in entity custom-field values without restricting the URL scheme, so an authenticated user can store a javascript: URI that is rendered as a clickable anchor on an item page. When another authenticated user clicks the link, attacker-controlled JavaScript executes in the victim's HomeBox origin, enabling session theft, account takeover, or data exfiltration. This issue is fixed in version 0.27.0.
References
- https://github.com/sysadminsmedia/homebox/commit/d76b1c9b94e91cd74e56ef8a129325d70835471f
- https://github.com/sysadminsmedia/homebox/releases/tag/v0.27.0
- https://github.com/sysadminsmedia/homebox/security/advisories/GHSA-h4x5-6587-jpwp
This medium severity vulnerability with a CVSS score of 5.4 was published on 2026-11-05 via NVD.
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