Is this vulnerability remotely exploitable over the internet?

Yes, but only within the context of authenticated Builder users. An attacker must first obtain or create a Builder-level account in the target workspace, after which they can plant a malicious entity name that executes when another Builder user opens the Command Palette.

Does the attacker need administrative privileges to exploit this?

No. The attacker needs sufficient permissions to create or rename entities (tables, views, queries, automations) in a workspace. Full administrative privileges are not strictly required, although higher roles can increase the potential impact of a compromise.

What is the safest general fix pattern for this issue?

The safest pattern is to avoid rendering user-controlled strings as raw HTML and instead use the framework's default, auto-escaped bindings. Where raw HTML rendering cannot be avoided, pass all data through a vetted HTML sanitization layer and apply strict output encoding tailored to the context (HTML body, attributes, URLs, JavaScript).

Severity:

HIGH RISK

(8.7)

Stored Cross-Site Scripting (CWE-79) in Budibase Builder Command Palette

CVE-2026-35218

Published:

Apr 3, 2026

Status:

Received

Summary

Affected Context

Exploit Preconditions

Why This Happens

Potential Impact

General Mitigation Guidance

How Teams Detect Issues Like This

Frequently Asked Questions

Source

NDV

Recent Vulnerabilities

CWE-77;CWE-78

HIGH RISK

HIGH

(7.3)

OS Command Injection (CWE-78) in Totolink A7100RU setGameSpeedCfg CGI Handler

Remote Code Execution on the Router

April 6, 2026

CWE-77;CWE-78

HIGH RISK

HIGH

(7.3)

OS Command Injection (CWE-78) in Totolink A7100RU setFirewallType Handler

Remote Code Execution on Router Firmware

April 6, 2026

Vulnerability Type

Category:

Stored Cross-Site Scripting (XSS)

CWE:

CWE-79

Impact:

Account Takeover via Stored Cross-Site Scripting

Severity:

HIGH RISK

(8.7)

CVSS Version:

3.1

Vulnerability Type

Category:

Stored Cross-Site Scripting (XSS)

CWE:

CWE-79

Impact:

Account Takeover via Stored Cross-Site Scripting

Severity:

HIGH RISK

(8.7)

CVSS Version:

3.1

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Made with Love in San Francisco

355 Bryant St. San Francisco, CA 94107, USA

Ask AI for summary of CodeAnt

Stored Cross-Site Scripting (CWE-79) in Budibase Builder Command Palette

Summary

Affected Context

Exploit Preconditions

Why This Happens

Potential Impact

General Mitigation Guidance

How Teams Detect Issues Like This

Frequently Asked Questions

Source

Recent Vulnerabilities

HIGH RISK

HIGH

(7.3)

OS Command Injection (CWE-78) in Totolink A7100RU setGameSpeedCfg CGI Handler

HIGH RISK

HIGH

(7.3)

OS Command Injection (CWE-78) in Totolink A7100RU setFirewallType Handler

Vulnerability Type

Vulnerability Type

Vulnerability Type

Catch This CVE While Code Is Being Written

Ship clean & secure code faster

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