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Vulnerability DatabaseCVE-2021-26834

CVE-2021-26834: 
Znote vulnerability analysis and mitigation

Overview

A cross-site scripting (XSS) vulnerability was discovered in Znote version 0.5.2. The vulnerability allows attackers to insert malicious payloads that execute immediately in markdown view mode (NVD, GitHub Issue).

Technical details

The vulnerability is classified as a Cross-Site Scripting (XSS) issue with a CVSS v3.1 base score of 5.4 (MEDIUM) and vector string CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N. The vulnerability is tracked as CWE-79: Improper Neutralization of Input During Web Page Generation (NVD).

Impact

When exploited, this vulnerability allows attackers to execute arbitrary JavaScript code in the context of the user's browser session. This could potentially lead to theft of sensitive information, session hijacking, or other malicious actions within the application's context (NVD).

Exploitability

The vulnerability can be exploited by inserting malicious payloads into the application, which are then executed when viewed in markdown mode. The attack requires low complexity and user interaction for successful exploitation (NVD, GitHub Issue).

Mitigation and workarounds

Users should upgrade to a version newer than 0.5.2 that contains patches for this vulnerability (NVD).

Additional resources

Source: This report was generated using AI

Related Znote vulnerabilities:

CVE ID

Severity

Score

Technologies

Component name

CISA KEV exploit

Has fix

Published date

CVE-2022-4614MEDIUM5.4
  • Znote logoZnote
  • znote
NoYesDec 19, 2022
CVE-2021-26834MEDIUM5.4
  • Znote logoZnote
  • znote
NoYesJun 18, 2021

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