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XSS in Source Mode of Editor

Moderate
w8tcha published GHSA-q9w4-w667-qqj4 Jul 10, 2023

Package

npm ckeditor-wordcount-plugin (npm)

Affected versions

<= 1.17.11

Patched versions

1.17.12

Description

Problem

It has been discovered that the ckeditor-wordcount-plugin plugin for CKEditor4 is susceptible to cross-site scripting when switching to the source code mode.

Solution

Update to version 1.17.12 of the ckeditor-wordcount-plugin plugin.

Credits

  • @sypets for reporting this finding to the TYPO3 Security Team
  • @ohader for fixing the issue on behalf of the TYPO3 Security Team

Severity

Moderate

CVSS overall score

This score calculates overall vulnerability severity from 0 to 10 and is based on the Common Vulnerability Scoring System (CVSS).
/ 10

CVSS v3 base metrics

Attack vector
Network
Attack complexity
Low
Privileges required
None
User interaction
Required
Scope
Changed
Confidentiality
Low
Integrity
Low
Availability
None

CVSS v3 base metrics

Attack vector: More severe the more the remote (logically and physically) an attacker can be in order to exploit the vulnerability.
Attack complexity: More severe for the least complex attacks.
Privileges required: More severe if no privileges are required.
User interaction: More severe when no user interaction is required.
Scope: More severe when a scope change occurs, e.g. one vulnerable component impacts resources in components beyond its security scope.
Confidentiality: More severe when loss of data confidentiality is highest, measuring the level of data access available to an unauthorized user.
Integrity: More severe when loss of data integrity is the highest, measuring the consequence of data modification possible by an unauthorized user.
Availability: More severe when the loss of impacted component availability is highest.
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

CVE ID

CVE-2023-37905

Weaknesses

No CWEs

Credits