CVE-2023-4771

MEDIUM

Cksource Ckeditor < 4.15.1 - XSS

Title source: rule

Description

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.

Exploits (1)

nomisec WRITEUP 2 stars

by sahar042 · poc

https://github.com/sahar042/CVE-2023-4771

View Code ZIP pw:eip

References (1)

[Third Party Advisory] https://www.incibe.es/en/incibe-cert/notices/aviso/cross-site-scripting-vulnerability-cksource-ckeditor

Scores

CVSS v3 6.1

EPSS 0.2231

EPSS Percentile 95.8%

Attack Vector NETWORK

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

Details

CWE

CWE-79

Status published

Products (2)

cksource/ckeditor < 4.15.1

npm/ckeditor4 0 - 4.24.0-ltsnpm

Published Nov 16, 2023

Tracked Since Feb 18, 2026