[Japanese]

JVNDB-2022-000018

MarkText vulnerable to cross-site scripting

Overview

MarkText is a Markdown editor. MarkText contains a cross-site scripting vulnerability (CWE-79).

Eiji Mori of Flatt Security Inc. reported this vulnerability to IPA.
JPCERT/CC coordinated with the developer under Information Security Early Warning Partnership.
CVSS Severity (What is CVSS?)

CVSS V3 Severity:
Base Metrics 5.0 (Medium) [IPA Score]
  • Attack Vector: Local
  • Attack Complexity: Low
  • Privileges Required: None
  • User Interaction: Required
  • Scope: Changed
  • Confidentiality Impact: Low
  • Integrity Impact: Low
  • Availability Impact: None
CVSS V2 Severity:
Base Metrics 4.3 (Medium) [IPA Score]
  • Access Vector: Network
  • Access Complexity: Medium
  • Authentication: None
  • Confidentiality Impact: None
  • Integrity Impact: Partial
  • Availability Impact: None
Affected Products


Mark Text
  • MarkText versions prior to v0.17.0

Impact

An arbitrary script may be executed on the PC of the user using the product.
Solution

[Update the Software]
Update the software to the latest version according to the information provided by the developer.
Vendor Information

Mark Text
CWE (What is CWE?)

  1. Cross-site Scripting(CWE-79) [IPA Evaluation]
CVE (What is CVE?)

  1. CVE-2022-21158
References

  1. JVN : JVN#89524240
  2. National Vulnerability Database (NVD) : CVE-2022-21158
Revision History

  • [2022/03/03]
      Web page was published
  • [2024/06/20]
      References : Content was added

Date Public2022/03/03
Date First Published2022/03/03
Date Last Updated2024/06/20