CVE-2026-39040

Deferred Deferred - Pending Action

Cross Site Scripting in BharatMLStack Trufflebox UI

Publication date: 2026-09-15

Last updated on: 2026-09-21

Assigner: MITRE

Description

BharatMLStack up to and including 1.3.0 is vulnerable to Cross Site Scripting (XSS) via the component Trufflebox UI (trufflebox-ui) in ExpressionViewModal.jsx.

CVSS Scores

EPSS Scores

Probability:
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Meta Information

Published

2026-09-15

Last Modified

2026-09-21

Generated

2026-10-06

AI Q&A

2026-09-15

EPSS Evaluated

2026-10-04

NVD

CVE-2026-39040

EUVD

EUVD-2026-78940

Affected Vendors & Products

Vendor	Product	Version / Range
bharatmlstack	trufflebox_ui	to 1.3.0 (inc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-79	The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.

Attack-Flow Graph

Executive Summary

This vulnerability is a Cross Site Scripting (XSS) issue in the BharatMLStack software up to version 1.3.0. It specifically affects the Trufflebox UI component, found in the file ExpressionViewModal.jsx. An attacker could exploit this to inject malicious scripts into web pages viewed by users.

Detection Guidance

Detection of this XSS vulnerability in BharatMLStack's Trufflebox UI requires inspecting the ExpressionViewModal.jsx file for improper input sanitization. Check for user-controlled data being rendered without escaping in the component. Use grep commands like grep -r "ExpressionViewModal" /path/to/project to locate the file. Review the code for dangerous patterns such as innerHTML or dangerouslySetInnerHTML usage.

Impact Analysis

This XSS vulnerability could allow attackers to steal user session cookies, redirect users to malicious sites, or perform actions on behalf of users without their consent. It primarily affects users interacting with the Trufflebox UI component in BharatMLStack.

Compliance Impact

The XSS vulnerability in BharatMLStack's Trufflebox UI could potentially expose sensitive data processed by the platform, which may impact compliance with GDPR and HIPAA. XSS attacks can lead to unauthorized data access or manipulation, violating confidentiality requirements under these regulations.

Mitigation Strategies

Update BharatMLStack to a version beyond 1.3.0 where the Trufflebox UI (trufflebox-ui) vulnerability in ExpressionViewModal.jsx has been patched.

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