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CVE-2021-41165

HTML comments vulnerability allowing to execute JavaScript code

MEDIUM
5.4
CVSS Score
Published: November 17, 2021 at 07:15 PM UTC
Updated: June 17, 2026 at 04:08 AM UTC
10 products affected across 3 vendorsDrupalPeopleSoft Enterprise PeopleToolsAgile Product Lifecycle Management

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Severity
MEDIUM5.4
Exploit prediction
EPSS 2%

Description

CKEditor4 is an open source WYSIWYG HTML editor. In affected version a vulnerability has been discovered in the core HTML processing module and may affect all plugins used by CKEditor 4. 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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Ckeditor· Ckeditordrupal
95%
v < 4.17.0
Affected range stops below 4.17.0, so it looks safe — our inference, not a vendor statement
Drupal· Drupaldrupal
95%
8.9.0 ≤ v < 8.9.209.1.0 ≤ v < 9.1.149.2.0 ≤ v < 9.2.9
Affected range stops below 8.9.20, so it looks safe — our inference, not a vendor statement
Affected range stops below 9.1.14, so it looks safe — our inference, not a vendor statement
Affected range stops below 9.2.9, so it looks safe — our inference, not a vendor statement
Agile Product Lifecycle Management· Oracledrupal
95%
9.3.6
Application Express· Oracledrupal
95%
v < 22.1
Affected range stops below 22.1, so it looks safe — our inference, not a vendor statement
Banking Apis· Oracledrupal
95%
18.1 ≤ v ≤ 18.319.119.220.121.1
Banking Digital Experience· Oracledrupal
95%
18.1 ≤ v ≤ 18.319.119.220.121.1
Commerce Guided Search· Oracledrupal
95%
11.3.2
PeopleSoft Enterprise PeopleTools· Oracledrupal
95%
8.588.59
Webcenter Portal· Oracledrupal
95%
12.2.1.3.012.2.1.4.0
CKEDITOR4· Ckeditordrupal
60%
v < 4.17.0
Affected range stops below 4.17.0, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (6)

x_refsource_MISCThird Party Advisory
Source: [email protected]
https://github.com/ckeditor/ckeditor4/blob/major/CHANGES.md#ckeditor-417
x_refsource_CONFIRMThird Party Advisory
Source: [email protected]
https://github.com/ckeditor/ckeditor4/security/advisories/GHSA-7h26-63m7-qhf2
x_refsource_CONFIRMThird Party Advisory
Source: [email protected]
https://www.drupal.org/sa-core-2021-011
x_refsource_MISCPatchThird Party Advisory
Source: [email protected]
https://www.oracle.com/security-alerts/cpuapr2022.html
x_refsource_MISCPatchThird Party Advisory
Source: [email protected]
https://www.oracle.com/security-alerts/cpujan2022.html
x_refsource_MISCNot Applicable
Source: [email protected]
https://www.oracle.com/security-alerts/cpujul2022.html

CVSS

5.4MEDIUM[email protected]
Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality
LOW
Integrity
LOW
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-79

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