5.4 Medium
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
3.5 Low
CVSS2
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
SINGLE
Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:N/AC:M/Au:S/C:N/I:P/A:N
0.001 Low
EPSS
Percentile
50.3%
The vulnerability has been discovered in Widget plugin if used alongside Undo feature.
A potential vulnerability has been discovered in CKEditor 4 Widget package. The vulnerability allowed 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.
Email us at [email protected] if you have any questions or comments about this advisory.
The CKEditor 4 team would like to thank Anton Subbotin (skavans) for recognizing and reporting this vulnerability.
github.com/advisories/GHSA-6226-h7ff-ch6c
github.com/ckeditor/ckeditor4/releases/tag/4.16.2
github.com/ckeditor/ckeditor4/security/advisories/GHSA-6226-h7ff-ch6c
lists.fedoraproject.org/archives/list/[email protected]/message/NYA354LJP47KCVJMTUO77ZCX3ZK42G3T/
lists.fedoraproject.org/archives/list/[email protected]/message/UVOYN2WKDPLKCNILIGEZM236ABQASLGW/
lists.fedoraproject.org/archives/list/[email protected]/message/WAGNWHFIQAVCP537KFFS2A2GDG66J7XD/
nvd.nist.gov/vuln/detail/CVE-2021-32808
www.oracle.com/security-alerts/cpujan2022.html
www.oracle.com/security-alerts/cpuoct2021.html
5.4 Medium
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
3.5 Low
CVSS2
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
SINGLE
Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:N/AC:M/Au:S/C:N/I:P/A:N
0.001 Low
EPSS
Percentile
50.3%