XSS in Budibase
CVE-2026-35218
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 authenticate…
Vulnerability class: XSS (Cross-Site Scripting)
EPSS: 0.000 (1.7th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.7 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N.
Affected products
- Budibase — versions < 3.32.5
Weakness classification (CWE)
References
- https://github.com/Budibase/budibase/security/advisories/GHSA-gp5x-2v54-v2q5 (x_refsource_CONFIRM)
- https://github.com/Budibase/budibase/pull/18243 (x_refsource_MISC)
- https://github.com/Budibase/budibase/commit/c9ccf0c19e5849f1bda96401aa33f97c99cd8cd6 (x_refsource_MISC)
- https://github.com/Budibase/budibase/releases/tag/3.32.5 (x_refsource_MISC)
Frequently asked questions
- What is CVE-2026-35218?
- CVE-2026-35218 is a high-severity vulnerability in Budibase, classified under Cross-site Scripting. CVSS score: 8.7/10. Published 2026-04-03.
- How severe is CVE-2026-35218?
- High severity. CVSS v3 base score is 8.7 out of 10.