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SCA: security update for @ckeditor/ckeditor5-html-support, ckeditor5 (GHSA-jrqm-vmqc-gm93)

medium Tenable Cloud Security Plugin ID 438297

Description

There are packages installed that are affected by a vulnerability referenced in the following CVE:

 - 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. (CVE-2026-28343)

See Also

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

Plugin Details

Severity: Medium

ID: 438297

Version: Revision 1.9

Type: Local

Family: SCA Checks

Published: 3/4/2026

Updated: 7/2/2026

Supported Sensors: Tenable Cloud Security, Tenable Self-Hosted Container Security

Risk Information

VPR

Risk Factor: Low

Score: 2.3

Percentile: 9.42

Vendor

Vendor Severity: Medium

CVSS v2

Risk Factor: Medium

Base Score: 6.4

Temporal Score: 4.7

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:N

CVSS Score Source: CVE-2026-28343

CVSS v3

Risk Factor: Medium

Base Score: 6.1

Temporal Score: 5.3

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

Exploit Ease: No known exploits are available

Patch Publication Date: 3/4/2026

Vulnerability Publication Date: 3/4/2026

Reference Information

CVE: CVE-2026-28343

cwe: CWE-79