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CVE-2024-24815

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

Published: Feb 7, 2024Updated: Nov 21, 2024 Sources: CVE List NVD GHSACWE-79
NVD MITRE
6.1CVSSMEDIUM
EPSS Score
0.7%
Top 51.5%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

Description

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.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:RS:CC:LI:LA:N
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:RUser Interaction
Required
Scope
S:CScope
Changed
Impact
C:LConfidentiality
Low
I:LIntegrity
Low
A:NAvailability
None
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Weaknesses

CWE-79

Affected Products

ckeditorckeditor
LibraryLibrary
Web & CMS Plugins / cms-core
ckeditor4ckeditor
On-prem
Web & CMS Plugins / cms-core
ckeditor4npmOSS Libraries
ckeditor/ckeditorPackagistOSS Libraries
ckeditoross-projectWeb & CMS Pluginsaka ckeditor, ckeditor4, ckeditor5
npmpackage-ecosystemOSS Libraries
packagistpackage-ecosystemOSS Libraries

Attack Graph

Products CVE Techniques Tactics

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Exploitability

Official Patch Available

MITRE ATT&CK

2 techniques
Execution
Initial Access
View detailed technique mapping

References

https://ckeditor.com/docs/ckeditor4/latest/api/CKEDITOR_dtd.html#property-S-cdata
ckeditor.com
https://ckeditor.com/docs/ckeditor4/latest/features/fullpage.html
ckeditor.com
https://ckeditor.com/docs/ckeditor4/latest/guide/dev_advanced_content_filter.html
ckeditor.com
and 5 more references View all →

Timeline

Published
Feb 7, 2024
Last Updated
Nov 21, 2024

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