CKEditor: Cross-site scripting (XSS) in the engine package

影響: npm:ckeditor5 >= 45.0.0, < 47.7.4 → 47.7.4, npm:@ckeditor/ckeditor5-engine >= 45.0.0, < 47.7.4 → 47.7.4, npm:ckeditor5 >= 48.0.0, < 48.5.1 → 48.5.1, npm:@ckeditor/ckeditor5-engine >= 48.0.0, < 48.5.1 → 48.5.1

A Cross-Site Scripting (XSS) vulnerability has been discovered in the CKEditor 5 engine. This vulnerability is caused by a prototype pollution issue in the es-toolkit library used in the CKEditor 5 codebase. This vulnerability could lead to unauthorized JavaScript code execution when the editor processes incoming style attribute values. The underlying issue has been patched by the library maintainers, and the fix has been incorporated into CKEditor 5. Patches The problem has been recognized and…

在 GitHub Advisory Database 阅读

2026/10/28 06:05，GitHub Advisory Database 发布了“CKEditor: Cross-site scripting (XSS) in the engine package”（类型：漏洞公告）。严重程度为“高危”（high）。相关技术：JavaScript / Node.js。CVE：CVE-2026-116688。