CVE-2024-24815 CKEditor4 Cross-site scripting (XSS) vulnerability caused by incorrect CDATA detection

2024-02-0715:14:32

CWE-79

GitHub_M

www.cve.org

ckeditor4

cross-site scripting

html parsing

CVSS3

6.1

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

NONE

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

AI Score

6.3

Confidence

High

EPSS

0.001

Percentile

25.0%

JSON

CKEditor4 is an open source what-you-see-is-what-you-get HTML editor. A cross-site scripting vulnerability has been discovered in the core HTML parsing module in versions of CKEditor4 prior to 4.24.0-lts. It may affect all editor instances that enabled full-page editing mode or enabled CDATA elements in Advanced Content Filtering configuration (defaults to script and style elements). The vulnerability allows attackers to inject malformed HTML content bypassing Advanced Content Filtering mechanism, which could result in executing JavaScript code. An attacker could abuse faulty CDATA content detection and use it to prepare an intentional attack on the editor. A fix is available in version 4.24.0-lts.

CNA Affected

[
  {
    "vendor": "ckeditor",
    "product": "ckeditor4",
    "versions": [
      {
        "version": "< 4.24.0-lts",
        "status": "affected"
      }
    ]
  }
]