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CVE-2021-32808

Cross-site scripting in ckeditor via abuse of undo functionality

Published: Aug 12, 2021Updated: Nov 21, 2024 Sources: CVE List NVD GHSA BDUCWE-79
7.6HIGH
NVD MITRE
EPSS Score
1.2%
Top 35.0%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available
Self-Check
OpenVAS

Description

ckeditor is an open source WYSIWYG HTML editor with rich content support. A vulnerability has been discovered in the clipboard Widget plugin if used alongside the undo feature. The vulnerability allows a user to abuse undo functionality using malformed widget HTML, which could result in executing JavaScript code. It affects all users using the CKEditor 4 plugins listed above at version >= 4.13.0. The problem has been recognized and patched. The fix will be available in version 4.16.2.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:NAC:LPR:LUI:RS:CC:HI:LA:N
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:LPrivileges Required
Low
UI:RUser Interaction
Required
Scope
S:CScope
Changed
Impact
C:HConfidentiality
High
I:LIntegrity
Low
A:NAvailability
None
Open in CVSS calculator →

Weaknesses

CWE-79

Affected Products

oracle
commercial·USaka oracle corp.
application expressOn-premWeb App
Databases / db-tooling
banking party managementOn-premWeb App
Enterprise Software / itsm-monitoring
commerce guided searchOn-prem
Databases / data-warehouse-analytics
commerce merchandisingOn-premDatabase
Databases / data-warehouse-analytics
documakerOn-premDatabase
Databases / data-warehouse-analytics
financial services analytical applications infrastructureOn-premDatabase
Databases / data-warehouse-analytics
financial services model management and governanceOn-premWeb App
Enterprise Software / hr-finance
jd edwards enterpriseone toolsOn-premDatabase
Databases / relational
ckeditor
oss-projectaka ckeditor4, ckeditor5
ckeditor4LibraryLibrary
Web & CMS Plugins
ckeditorLibraryLibrary
Web & CMS Plugins / cms-core
npm
package-ecosystem
ckeditor4
OSS Libraries
fedoraproject
oss-project·USaka fedora project
fedoraOn-premOS
Operating Systems / linux-distro
Сообщество свободного программного обеспечения
oss-projectaka fsf
Debian GNU/LinuxOn-premOS
Operating Systems / linux-distro
The CKEditor Team
oss-projectaka ckeditor
CKEditorLibrary
Web & CMS Plugins / cms-core
and 3 more affected products View all →

Exploitability

Official Patch Available
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Attack Graph

Products CVE Techniques Tactics

Click technique nodes for MITRE ATT&CK details · drag to pan · Ctrl/⌘ + scroll to zoom, or go fullscreen.

MITRE ATT&CK

2 techniques
Execution
Initial Access
View detailed technique mapping

References

https://github.com/ckeditor/ckeditor4/security/advisories/GHSA-6226-h7ff-ch6c
github.com
https://github.com/ckeditor/ckeditor4/releases/tag/4.16.2
github.com
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NYA354LJP47KCVJMTUO77ZCX3ZK42G3T/
lists.fedoraproject.org
and 13 more references View all →

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