Description

A weakness has been identified in CodeMirror up to 5.65.20. Affected is an unknown function of the file mode/markdown/markdown.js of the component Markdown Mode. This manipulation causes inefficient regular expression complexity. It is possible to initiate the attack remotely. The exploit has been made available to the public and could be exploited. Upgrading to version 6.0 is able to address this issue. You should upgrade the affected component. Not all code samples mentioned in the GitHub issue can be found. The repository mentions, that "CodeMirror 6 exists, and is [...] much more actively maintained."

INFO

Published Date :

2025-06-22T22:00:10.483Z

Last Modified :

2025-09-29T13:48:37.784Z

Source :

VulDB
AFFECTED PRODUCTS

The following products are affected by CVE-2025-6493 vulnerability.

Vendors Products
Codemirror
  • Codemirror

CVSS Vulnerability Scoring System

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Privileges Required
User Interaction
VS Confidentiality
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SS Confidentiality
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Attack Vector
Attack Complexity
Privileges Required
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Detailed values of each vector for above chart.
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact
Detailed values of each vector for above chart.
Access Vector
Access Complexity
Authentication
Confidentiality Impact
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