EUVD-2026-18797
CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N
Lifecycle Timeline
3Tags
Description
Budibase is an open-source low-code platform. Prior to version 3.32.5, Budibase's Builder Command Palette renders entity names (tables, views, queries, automations) using Svelte's {@html} directive without any sanitization. An authenticated user with Builder access can create a table, automation, view, or query whose name contains an HTML payload (e.g. <img src=x onerror=alert(document.domain)>). When any Builder-role user in the same workspace opens the Command Palette (Ctrl+K), the payload executes in their browser, stealing their session cookie and enabling full account takeover. This issue has been patched in version 3.32.5.
Analysis
Stored cross-site scripting (XSS) in Budibase's Builder Command Palette (versions prior to 3.32.5) enables authenticated Builder users to inject malicious HTML payloads via entity names (tables, views, queries, automations), achieving session hijacking and account takeover when other Builder-role users invoke the Command Palette. CVSS 8.7 with changed scope reflects the cross-user attack vector. …
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Remediation
Within 24 hours: Audit current Budibase deployment version and identify all users with Builder role access. Within 7 days: Upgrade Budibase to version 3.32.5 or later on all affected instances; test functionality in non-production environment first. …
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External POC / Exploit Code
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