SecuriTricks - CVE-2026-28343

Description

CKEditor 5 is a modern JavaScript rich-text editor with an MVC architecture. 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.

Product(s) Impacted

Vendor	Product	Versions
Ckeditor	Ckeditor	47.5.0, <47.6.0

Weaknesses

Common security weaknesses mapped to this vulnerability.

CWE-79

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.

*CPE(s)

Affected systems and software identified for this CVE.

Type	Vendor	Product	Version	Update	Edition	Language	Software Edition	Target Software	Target Hardware	Other Information
a	ckeditor	ckeditor	47.5.0	/	/	/	/	/	/	/
a	ckeditor	ckeditor	<47.6.0	/	/	/	/	/	/	/

References

https://github.com/ckeditor/ckeditor5/releases/tag/v47.6.0

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

CVSS Score

6.4 / 10

CVSS Data - 3.1

Attack Vector: NETWORK
Attack Complexity: LOW
Privileges Required: LOW
Scope: CHANGED
Confidentiality Impact: LOW
Integrity Impact: LOW
Availability Impact: NONE

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

View Vector String

Timeline

Published: March 5, 2026, 8:16 p.m.
Last Modified: March 5, 2026, 8:16 p.m.

Status : Received

CVE has been recently published to the CVE List and has been received by the NVD.

More info

Source

[email protected]

CVE-2026-28343