CVE-2026-3962
Received Received - Intake
Remote XSS in Jcharis ML Web Apps via Jinja2 Template Handler

Publication date: 2026-03-11

Last updated on: 2026-04-29

Assigner: VulDB

Description
A vulnerability was identified in Jcharis Machine-Learning-Web-Apps up to a6996b634d98ccec4701ac8934016e8175b60eb5. The impacted element is the function render_template of the file Machine-Learning-Web-Apps-master/Build-n-Deploy-Flask-App-with-Waypoint/app/app.py of the component Jinja2 Template Handler. Such manipulation leads to cross site scripting. It is possible to launch the attack remotely. The exploit is publicly available and might be used. This product takes the approach of rolling releases to provide continious delivery. Therefore, version details for affected and updated releases are not available. The project was informed of the problem early through an issue report but has not responded yet.
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Meta Information
Published
2026-03-11
Last Modified
2026-04-29
Generated
2026-06-16
AI Q&A
2026-03-12
EPSS Evaluated
2026-06-15
NVD
CVE-2026-3962
EUVD
EUVD-2026-11484
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
jcharis machine_learning_web_apps to a6996b634d98ccec4701ac8934016e8175b60eb5 (inc)
Helpful Resources
Exploitability
CWE
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KEV
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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.
CWE-94 The product constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment.
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Executive Summary

This vulnerability exists in the Jcharis Machine-Learning-Web-Apps project, specifically in the render_template function of the Jinja2 Template Handler component. It allows an attacker to perform a cross-site scripting (XSS) attack by manipulating the template rendering process. The attack can be launched remotely, and an exploit is publicly available.

Impact Analysis

The vulnerability can lead to cross-site scripting attacks, which may allow attackers to execute malicious scripts in the context of a user's browser. This can result in unauthorized actions, session hijacking, or theft of sensitive information. Since the attack can be performed remotely and an exploit is publicly available, it poses a real risk to users of the affected software.

Compliance Impact

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Detection Guidance

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Mitigation Strategies

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