Ubuntu.comUB:CVE-2021-33829CVE-2021-33829
6.1 Medium
CVSS3
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
4.3 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:N/AC:M/Au:N/C:N/I:P/A:N
0.005 Low
EPSS
Percentile
77.0%
A cross-site scripting (XSS) vulnerability in the HTML Data Processor in
CKEditor 4 4.14.0 through 4.16.x before 4.16.1 allows remote attackers to
inject executable JavaScript code through a crafted comment because --!> is
mishandled.
References
ckeditor.com/blog/ckeditor-4.16.1-with-accessibility-enhancements/#improvements-for-comments-in-html-parser
github.com/ckeditor/ckeditor4/commit/3e426ce34f7fc7bf784624358831ef9e189bb6ed
launchpad.net/bugs/cve/CVE-2021-33829
nvd.nist.gov/vuln/detail/CVE-2021-33829
security-tracker.debian.org/tracker/CVE-2021-33829
ubuntu.com/security/notices/USN-5340-1
www.cve.org/CVERecord?id=CVE-2021-33829
Related
6.1 Medium
CVSS3
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
4.3 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:N/AC:M/Au:N/C:N/I:P/A:N
0.005 Low
EPSS
Percentile
77.0%