CVE-2026-116688
EUVD-2026-11136427.10.2026, 20:17
CKEditor 5 is a modern JavaScript rich-text editor with an MVC architecture. From 45.0.0 until 47.7.4 and 48.5.1, the engine uses a vulnerable es-toolkit version whose prototype-pollution behavior can be reached while CKEditor processes incoming style attribute values. Crafted editor content can thereby cause unauthorized JavaScript execution in the browser. This issue is fixed in versions 47.7.4 and 48.5.1.
Early Detection
Affected products identified ahead of NVD analysis through intelligence sources
(CNA/ADP records, vendor advisories, Enginsight analysis).
| Vendor | Product | Version | Source |
|---|---|---|---|
| ckeditor | ckeditor5 | 45.0.0 ≤ 𝑥 < 47.7.4 | CNA |
| ckeditor | ckeditor5 | 48.0.0 ≤ 𝑥 < 48.5.1 | CNA |
References