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
0.003 Low
EPSS
Percentile
69.1%
The vulnerability has been discovered in the core HTML processing module and may affect all plugins used by CKEditor 4.
A potential vulnerability has been discovered in CKEditor 4 HTML processing core module. The vulnerability allowed to inject malformed comments HTML bypassing content sanitization, which could result in executing JavaScript code. It affects all users using the CKEditor 4 at version < 4.17.0.
The problem has been recognized and patched. The fix will be available in version 4.17.0.
Email us at [email protected] if you have any questions or comments about this advisory.
The CKEditor 4 team would like to thank William Bowling (wbowling) for recognizing and reporting this vulnerability.
CPE | Name | Operator | Version |
---|---|---|---|
ckeditor/ckeditor | lt | 4.17.0 | |
ckeditor4 | lt | 4.17.0 |
github.com/advisories/GHSA-7h26-63m7-qhf2
github.com/ckeditor/ckeditor4/blob/major/CHANGES.md#ckeditor-417
github.com/ckeditor/ckeditor4/security/advisories/GHSA-7h26-63m7-qhf2
nvd.nist.gov/vuln/detail/CVE-2021-41165
www.drupal.org/sa-core-2021-011
www.oracle.com/security-alerts/cpuapr2022.html
www.oracle.com/security-alerts/cpujan2022.html
www.oracle.com/security-alerts/cpujul2022.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
0.003 Low
EPSS
Percentile
69.1%