TI-2023-04398 Aliases CVE-2023-4771 GHSA-wh5w-82f3-wrxh

Cross-Site Scripting vulnerability in CKSource CKEditor

LOW 29CWE-79Published 2023-11-16 · Updated 2024-10-01

Key facts

Attack vector: Network
Privileges required: None
User interaction: Required
Attack complexity: Low
Impact type: Cross-site scripting
Confidentiality · integrity · availability: Low · Low · None
Fix status: Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA and GitHub. Impact type from CWE-79.

Summary

A Cross-Site scripting vulnerability has been found in CKSource CKEditor affecting versions 4.15.1 and earlier. An attacker could send malicious javascript code through the /ckeditor/samples/old/ajax.html file and retrieve an authorized user's information.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00878 59th percentileScored 2026-11-07

Fix Fixed ckeditor4 (npm): 4.24.0-lts

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: No
Technical impact: Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
CKSource	CKEditor	up to 4.15.1	—	No fix listed	CNA
—	ckeditor4 (npm)	before 4.24.0-lts	4.24.0-lts	Patch available	GHSA-wh5w-82f3-wrxh

CKEditor VendorCKSource Affected up to 4.15.1 Fixed in — No fix listed CNA
ckeditor4 (npm) Vendor— Affected before 4.24.0-lts Fixed in 4.24.0-lts Patch available GHSA-wh5w-82f3-wrxh

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:cksource:ckeditor::::::wordpress::*	up to 4.15.1	Vulnerable	CKSource

cpe:2.3:a:cksource:ckeditor:*:*:*:*:*:wordpress:*:* Versions up to 4.15.1 Vulnerable ·CKSource

Remediation

Fix · GHSA-wh5w-82f3-wrxh ckeditor4 (npm) Fixed in 4.24.0-lts Advisory →

Timeline

2026-10-02 Threatist record created from CVE-2023-4771
2026-10-03 Alias added: GHSA-wh5w-82f3-wrxh

References

Advisory 2

Other 3

TI-2015-07726 The ckeditor-for-wordpress plugin before 4.5.3.1 for WordPress has reflected XSS in the "built-in (old)" file browser. CVSS 3.0MEDIUM 6.1

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences