CVE-2023-37905: Ckeditor-Wordcount-Plugin Project Ckeditor-Wordcount-Plugin

Medium severity, CVSS 6.1. EPSS: 0.6% chance of exploitation in the next 30 days.

ckeditor-wordcount-plugin is an open source WordCount Plugin for CKEditor. 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. This issue has been addressed in version 1.17.12 of the `ckeditor-wordcount-plugin` plugin and users are advised to upgrade. There are no known workarounds for this vulnerability.

Affected products

• Ckeditor-Wordcount-Plugin Project Ckeditor-Wordcount-Plugin: before 1.17.12 (fixed in 1.17.12)

Published 2023-07-21. Last modified 2026-06-17.