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ckeditor-wordcount-plugin vulnerable to Cross-site Scripting in Source Mode of Editor

Moderate severity GitHub Reviewed Published Jul 10, 2023 in w8tcha/CKEditor-WordCount-Plugin • Updated Nov 9, 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

References

@w8tcha w8tcha published to w8tcha/CKEditor-WordCount-Plugin Jul 10, 2023
Published to the GitHub Advisory Database Jul 10, 2023
Reviewed Jul 10, 2023
Published by the National Vulnerability Database Jul 21, 2023
Last updated Nov 9, 2023

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

EPSS score

0.084%
(37th percentile)

Weaknesses

CVE ID

CVE-2023-37905

GHSA ID

GHSA-q9w4-w667-qqj4

Source code

Credits

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