CVE-2021-41165
CKEditor4 - HTML Comment Injection Vulnerability (Arbitrary Code Execution)
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.
INFO
Published Date :
Nov. 17, 2021, 8:15 p.m.
Last Modified :
Oct. 5, 2022, 12:47 p.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
5.3
Exploitability Score :
2.3
Affected Products
The following products are affected by CVE-2021-41165
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2021-41165.
| URL | Resource |
|---|---|
| https://github.com/ckeditor/ckeditor4/blob/major/CHANGES.md#ckeditor-417 | Third Party Advisory |
| https://github.com/ckeditor/ckeditor4/security/advisories/GHSA-7h26-63m7-qhf2 | Third Party Advisory |
| https://www.drupal.org/sa-core-2021-011 | Third Party Advisory |
| https://www.oracle.com/security-alerts/cpuapr2022.html | Patch Third Party Advisory |
| https://www.oracle.com/security-alerts/cpujan2022.html | Patch Third Party Advisory |
| https://www.oracle.com/security-alerts/cpujul2022.html | Not Applicable |
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2021-41165 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2021-41165 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
Modified Analysis by [email protected]
Oct. 05, 2022
Action Type Old Value New Value Changed Reference Type https://www.oracle.com/security-alerts/cpuapr2022.html No Types Assigned https://www.oracle.com/security-alerts/cpuapr2022.html Patch, Third Party Advisory Changed Reference Type https://www.oracle.com/security-alerts/cpujul2022.html No Types Assigned https://www.oracle.com/security-alerts/cpujul2022.html Not Applicable Changed CPE Configuration OR *cpe:2.3:a:oracle:banking_apis:*:*:*:*:*:*:*:* versions from (including) 18.1 up to (including) 18.3 *cpe:2.3:a:oracle:banking_apis:19.1:*:*:*:*:*:*:* *cpe:2.3:a:oracle:banking_apis:19.2:*:*:*:*:*:*:* *cpe:2.3:a:oracle:banking_apis:20.1:*:*:*:*:*:*:* *cpe:2.3:a:oracle:banking_apis:21.1:*:*:*:*:*:*:* *cpe:2.3:a:oracle:banking_digital_experience:*:*:*:*:*:*:*:* versions from (including) 18.1 up to (including) 18.3 *cpe:2.3:a:oracle:banking_digital_experience:19.1:*:*:*:*:*:*:* *cpe:2.3:a:oracle:banking_digital_experience:19.2:*:*:*:*:*:*:* *cpe:2.3:a:oracle:banking_digital_experience:20.1:*:*:*:*:*:*:* *cpe:2.3:a:oracle:banking_digital_experience:21.1:*:*:*:*:*:*:* OR *cpe:2.3:a:oracle:agile_product_lifecycle_management:9.3.6:*:*:*:*:*:*:* *cpe:2.3:a:oracle:application_express:*:*:*:*:*:*:*:* versions up to (excluding) 22.1 *cpe:2.3:a:oracle:banking_apis:*:*:*:*:*:*:*:* versions from (including) 18.1 up to (including) 18.3 *cpe:2.3:a:oracle:banking_apis:19.1:*:*:*:*:*:*:* *cpe:2.3:a:oracle:banking_apis:19.2:*:*:*:*:*:*:* *cpe:2.3:a:oracle:banking_apis:20.1:*:*:*:*:*:*:* *cpe:2.3:a:oracle:banking_apis:21.1:*:*:*:*:*:*:* *cpe:2.3:a:oracle:banking_digital_experience:*:*:*:*:*:*:*:* versions from (including) 18.1 up to (including) 18.3 *cpe:2.3:a:oracle:banking_digital_experience:19.1:*:*:*:*:*:*:* *cpe:2.3:a:oracle:banking_digital_experience:19.2:*:*:*:*:*:*:* *cpe:2.3:a:oracle:banking_digital_experience:20.1:*:*:*:*:*:*:* *cpe:2.3:a:oracle:banking_digital_experience:21.1:*:*:*:*:*:*:* *cpe:2.3:a:oracle:commerce_guided_search:11.3.2:*:*:*:*:*:*:* *cpe:2.3:a:oracle:peoplesoft_enterprise_peopletools:8.58:*:*:*:*:*:*:* *cpe:2.3:a:oracle:peoplesoft_enterprise_peopletools:8.59:*:*:*:*:*:*:* *cpe:2.3:a:oracle:webcenter_portal:12.2.1.3.0:*:*:*:*:*:*:* *cpe:2.3:a:oracle:webcenter_portal:12.2.1.4.0:*:*:*:*:*:*:* -
CVE Modified by [email protected]
Jul. 25, 2022
Action Type Old Value New Value Added Reference https://www.oracle.com/security-alerts/cpujul2022.html [No Types Assigned] -
CVE Modified by [email protected]
Apr. 20, 2022
Action Type Old Value New Value Added Reference https://www.oracle.com/security-alerts/cpuapr2022.html [No Types Assigned] -
Modified Analysis by [email protected]
Mar. 31, 2022
Action Type Old Value New Value Changed Reference Type https://www.oracle.com/security-alerts/cpujan2022.html No Types Assigned https://www.oracle.com/security-alerts/cpujan2022.html Patch, Third Party Advisory Added CPE Configuration OR *cpe:2.3:a:oracle:banking_apis:*:*:*:*:*:*:*:* versions from (including) 18.1 up to (including) 18.3 *cpe:2.3:a:oracle:banking_apis:19.1:*:*:*:*:*:*:* *cpe:2.3:a:oracle:banking_apis:19.2:*:*:*:*:*:*:* *cpe:2.3:a:oracle:banking_apis:20.1:*:*:*:*:*:*:* *cpe:2.3:a:oracle:banking_apis:21.1:*:*:*:*:*:*:* *cpe:2.3:a:oracle:banking_digital_experience:*:*:*:*:*:*:*:* versions from (including) 18.1 up to (including) 18.3 *cpe:2.3:a:oracle:banking_digital_experience:19.1:*:*:*:*:*:*:* *cpe:2.3:a:oracle:banking_digital_experience:19.2:*:*:*:*:*:*:* *cpe:2.3:a:oracle:banking_digital_experience:20.1:*:*:*:*:*:*:* *cpe:2.3:a:oracle:banking_digital_experience:21.1:*:*:*:*:*:*:* -
CVE Modified by [email protected]
Feb. 07, 2022
Action Type Old Value New Value Added Reference https://www.oracle.com/security-alerts/cpujan2022.html [No Types Assigned] -
Initial Analysis by [email protected]
Nov. 23, 2021
Action Type Old Value New Value Added CVSS V2 Metadata Victim must voluntarily interact with attack mechanism Added CVSS V2 NIST (AV:N/AC:M/Au:S/C:N/I:P/A:N) Added CVSS V3.1 NIST AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N Changed Reference Type https://github.com/ckeditor/ckeditor4/blob/major/CHANGES.md#ckeditor-417 No Types Assigned https://github.com/ckeditor/ckeditor4/blob/major/CHANGES.md#ckeditor-417 Third Party Advisory Changed Reference Type https://github.com/ckeditor/ckeditor4/security/advisories/GHSA-7h26-63m7-qhf2 No Types Assigned https://github.com/ckeditor/ckeditor4/security/advisories/GHSA-7h26-63m7-qhf2 Third Party Advisory Changed Reference Type https://www.drupal.org/sa-core-2021-011 No Types Assigned https://www.drupal.org/sa-core-2021-011 Third Party Advisory Added CWE NIST CWE-79 Added CPE Configuration OR *cpe:2.3:a:ckeditor:ckeditor:*:*:*:*:*:*:*:* versions up to (excluding) 4.17.0 Added CPE Configuration OR *cpe:2.3:a:drupal:drupal:*:*:*:*:*:*:*:* versions from (including) 8.9.0 up to (excluding) 8.9.20 *cpe:2.3:a:drupal:drupal:*:*:*:*:*:*:*:* versions from (including) 9.1.0 up to (excluding) 9.1.14 *cpe:2.3:a:drupal:drupal:*:*:*:*:*:*:*:* versions from (including) 9.2.0 up to (excluding) 9.2.9 -
CVE Modified by [email protected]
Nov. 18, 2021
Action Type Old Value New Value Added Reference https://www.drupal.org/sa-core-2021-011 [No Types Assigned]
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2021-41165 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2021-41165
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.30 }} -0.01%
score
0.65051
percentile