CVE-2026-28343

MEDIUM

6.4

Description

CKEditor 5 is a modern JavaScript rich-text editor with an MVC architecture. Starting in version 29.0.0 and prior to version 47.6.0, a cross-site scripting (XSS) vulnerability has been discovered in the General HTML Support feature. This vulnerability could be triggered by inserting specially crafted markup, leading to unauthorized JavaScript code execution, if the editor instance used an unsafe General HTML Support configuration. This issue has been patched in version 47.6.0.

Details CVE

Score CVSS v3.16.4

SeveriteMEDIUM

Vecteur CVSSCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N

Vecteur d'attaqueNETWORK

ComplexiteLOW

Privileges requisLOW

Interaction utilisateurNONE

Publie3/5/2026

Derniere modification3/19/2026

Sourcenvd

Observations honeypot0

Produits affectes

ckeditor:ckeditor5

Faiblesses (CWE)

CWE-79

References

https://github.com/ckeditor/ckeditor5/releases/tag/v29.0.0(security-advisories@github.com)

https://github.com/ckeditor/ckeditor5/releases/tag/v47.6.0(security-advisories@github.com)

https://github.com/ckeditor/ckeditor5/security/advisories/GHSA-jrqm-vmqc-gm93(security-advisories@github.com)

Correlations IOC

Aucune correlation enregistree

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