CVE Tools
Sign in

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
NVD MITRE
7.6CVSSHIGH
EPSS Score
1.2%
Top 36.1%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

Description

Widget feature vulnerability allowing to execute JavaScript code using undo functionality

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

ckeditor4npmOSS Libraries
ckeditorckeditor
LibraryLibrary
Web & CMS Plugins / cms-core
fedorafedoraproject
On-premOS
Operating Systems / linux-distro
application expressoracle
On-premWeb App
Databases / db-tooling
banking party managementoracle
On-prem
Databases / relational
npmpackage-ecosystemOSS Libraries
ckeditoross-projectWeb & CMS Pluginsaka ckeditor, ckeditor4, ckeditor5
fedoraprojectoss-projectUSOperating Systemsaka fedora project
oraclecommercialUSDatabasesaka oracle corp.
and 12 more affected products View all →

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

Exploitability

Official Patch Available

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://nvd.nist.gov/vuln/detail/CVE-2021-32808
nvd.nist.gov
https://github.com/ckeditor/ckeditor4
github.com
and 13 more references View all →

Timeline

Published
Aug 12, 2021
Last Updated
Nov 21, 2024

Unlock Complete Vulnerability Intelligence

Get the full picture for CVE-2021-32808 and every CVE in our database. Create a free account — no credit card required.

Create Free Account
Plain-language analysis
Impact assessment and exploitation scenario in plain English
Attack graph visualization
Interactive attack path and kill chain mapping
Exploit details & PoC links
ExploitDB, Metasploit, GitHub PoCs with direct links
Nuclei scanner templates
Ready-to-use vulnerability scanner templates
Full remediation guide
Patch instructions, workarounds, and compliance impact
Interactive AI chat
Ask questions about this vulnerability in natural language
Related vulnerabilities
Semantically similar CVEs and attack patterns
REST API & MCP access
Integrate vulnerability data into your workflows