CVE-2026-15505
Received Received - Intake

Cross-Site Scripting in VNote via YAML Frontmatter

Vulnerability report for CVE-2026-15505, including description, CVSS score, EPSS score, affected products, exploitability, helpful resources, and attack-flow context.

Publication date: 2026-07-12

Last updated on: 2026-07-12

Assigner: VulDB

Description

A weakness has been identified in vnotex vnote up to 3.20.1. Impacted is an unknown function of the file /src/data/extra/web/js/markdownit.js of the component YAML Frontmatter. This manipulation of the argument p_metaData causes cross site scripting. The attack may be initiated remotely. The vendor was contacted early about this disclosure but did not respond in any way.

CVSS Scores

EPSS Scores

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Meta Information

Published
2026-07-12
Last Modified
2026-07-12
Generated
2026-07-13
AI Q&A
2026-07-12
EPSS Evaluated
N/A
NVD
EUVD

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
vnotex vnote to 3.20.1 (inc)

Helpful Resources

Exploitability

CWE
CWE Icon
KEV
KEV Icon
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.

Attack-Flow Graph

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Executive Summary

This vulnerability exists in vnotex vnote up to version 3.20.1, specifically in an unknown function within the file /src/data/extra/web/js/markdownit.js related to the YAML Frontmatter component.

The issue arises from manipulation of the argument p_metaData, which leads to a cross-site scripting (XSS) vulnerability.

An attacker can exploit this vulnerability remotely to inject malicious scripts.

Impact Analysis

This cross-site scripting vulnerability can allow an attacker to execute malicious scripts in the context of the affected application.

Potential impacts include unauthorized actions performed on behalf of a user, theft of sensitive information such as cookies or session tokens, and possible compromise of user accounts.

Since the attack can be initiated remotely, it increases the risk of exploitation without requiring physical access.

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EPSS Chart