ckeditor is an open source WYSIWYG HTML editor with rich content support. A potential vulnerability has been discovered in CKEditor 4 [Clipboard](https://ckeditor.com/cke4/addon/clipboard) package. The vulnerability allowed to abuse paste functionality using malformed HTML, which could result in injecting arbitrary HTML into the editor. It affects all users using the CKEditor 4 plugins listed above at version >= 4.5.2. The problem has been recognized and patched. The fix will be available in version 4.16.2.

The remote Ubuntu 16.04 ESM host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-5340-2 advisory.

  - Cross-site scripting (XSS) vulnerability in the Enhanced Image (aka image2) plugin for CKEditor (in     versions 4.5.10 through 4.9.1; fixed in 4.9.2), as used in Drupal 8 before 8.4.7 and 8.5.x before 8.5.2     and other products, allows remote attackers to inject arbitrary web script through a crafted IMG element.
    (CVE-2018-9861)

  - A cross-site scripting (XSS) vulnerability in the HTML Data Processor for CKEditor 4.0 before 4.14 allows     remote attackers to inject arbitrary web script through a crafted protected comment (with the     cke_protected syntax). (CVE-2020-9281)

  - ckeditor is an open source WYSIWYG HTML editor with rich content support. A potential vulnerability has     been discovered in CKEditor 4 [Clipboard](https://ckeditor.com/cke4/addon/clipboard) package. The     vulnerability allowed to abuse paste functionality using malformed HTML, which could result in injecting     arbitrary HTML into the editor. It affects all users using the CKEditor 4 plugins listed above at version     >= 4.5.2. The problem has been recognized and patched. The fix will be available in version 4.16.2.
    (CVE-2021-32809)

  - 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. (CVE-2021-33829)

  - ckeditor is an open source WYSIWYG HTML editor with rich content support. A potential vulnerability has     been discovered in CKEditor 4 [Fake Objects](https://ckeditor.com/cke4/addon/fakeobjects) package. The     vulnerability allowed to inject malformed Fake Objects HTML, which could result in executing JavaScript     code. It affects all users using the CKEditor 4 plugins listed above at version < 4.16.2. The problem has     been recognized and patched. The fix will be available in version 4.16.2. (CVE-2021-37695)

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote Ubuntu 18.04 LTS / 20.04 LTS / 21.10 host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-5340-1 advisory.

  - Cross-site scripting (XSS) vulnerability in the Enhanced Image (aka image2) plugin for CKEditor (in     versions 4.5.10 through 4.9.1; fixed in 4.9.2), as used in Drupal 8 before 8.4.7 and 8.5.x before 8.5.2     and other products, allows remote attackers to inject arbitrary web script through a crafted IMG element.
    (CVE-2018-9861)

  - A cross-site scripting (XSS) vulnerability in the HTML Data Processor for CKEditor 4.0 before 4.14 allows     remote attackers to inject arbitrary web script through a crafted protected comment (with the     cke_protected syntax). (CVE-2020-9281)

  - ckeditor is an open source WYSIWYG HTML editor with rich content support. A vulnerability has been     discovered in the clipboard Widget plugin if used alongside the undo feature. The vulnerability allows a     user 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. (CVE-2021-32808)

  - ckeditor is an open source WYSIWYG HTML editor with rich content support. A potential vulnerability has     been discovered in CKEditor 4 [Clipboard](https://ckeditor.com/cke4/addon/clipboard) package. The     vulnerability allowed to abuse paste functionality using malformed HTML, which could result in injecting     arbitrary HTML into the editor. It affects all users using the CKEditor 4 plugins listed above at version     >= 4.5.2. The problem has been recognized and patched. The fix will be available in version 4.16.2.
    (CVE-2021-32809)

  - In NTFS-3G versions < 2021.8.22, when a specially crafted MFT section is supplied in an NTFS image a heap     buffer overflow can occur and allow for code execution. (CVE-2021-33289)

  - ckeditor is an open source WYSIWYG HTML editor with rich content support. A potential vulnerability has     been discovered in CKEditor 4 [Fake Objects](https://ckeditor.com/cke4/addon/fakeobjects) package. The     vulnerability allowed to inject malformed Fake Objects HTML, which could result in executing JavaScript     code. It affects all users using the CKEditor 4 plugins listed above at version < 4.16.2. The problem has     been recognized and patched. The fix will be available in version 4.16.2. (CVE-2021-37695)

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

According to its self-reported version, the instance of Drupal running on the remote web server is 8.9.x prior to 8.9.18, 9.1.x prior to 9.1.12, or 9.2.x prior to 9.2.4. It is, therefore, affected by multiple vulnerabilities due to its usage of a third party component, CKEditor, for WYSIWYG editing:

 - A vulnerability was discovered in CKEditor 4 Fake Objects package. The vulnerability allowed to inject malformed Fake Objects HTML, which could result in executing JavaScript code. (CVE-2021-37695)

 - A vulnerability was discovered in the clipboard Widget plugin if used alongside the undo feature. The vulnerability allows a user to abuse undo functionality using malformed widget HTML, which could result in executing JavaScript code. (CVE-2021-32808)

 - A vulnerability was discovered in CKEditor 4 Clipboard package. The vulnerability allowed to abuse paste functionality using malformed HTML, which could result in injecting arbitrary HTML into the editor. (CVE-2021-32809)

Note that the scanner has not tested for these issues but has instead relied only on the application's self-reported version number.

According to its self-reported version, the instance of Drupal running on the remote web server is 8.9.x prior to 8.9.18, 9.1.x prior to 9.1.12, or 9.2.x prior to 9.2.4. It is, therefore, affected by a multiple vulnerabilities due to its usage of a third party component, CKEditor, for WYSIWYG editing:

  - A vulnerability was discovered in CKEditor 4 Fake Objects package. The vulnerability allowed to inject     malformed Fake Objects HTML, which could result in executing JavaScript code. (CVE-2021-37695)

  - A vulnerability was discovered in the clipboard Widget plugin if used alongside the undo feature. The     vulnerability allows a user to abuse undo functionality using malformed widget HTML, which could result     in executing JavaScript code. (CVE-2021-32808)

  - A vulnerability was discovered in CKEditor 4 Clipboard package. The vulnerability allowed to abuse paste     functionality using malformed HTML, which could result in injecting arbitrary HTML into the editor. (CVE-2021-32809)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

ID	Name	Product	Family	Severity
183711	Ubuntu 16.04 ESM : CKEditor vulnerabilities (USN-5340-2)	Nessus	Ubuntu Local Security Checks	medium
159137	Ubuntu 18.04 LTS / 20.04 LTS : CKEditor vulnerabilities (USN-5340-1)	Nessus	Ubuntu Local Security Checks	medium
112947	Drupal 8.9.x < 8.9.18 Third-Party Library Vulnerability	Web App Scanning	Component Vulnerability	medium
112946	Drupal 9.1.x < 9.1.12 Third-Party Library Vulnerability	Web App Scanning	Component Vulnerability	medium
112945	Drupal 9.2.x < 9.2.4 Third-Party Library Vulnerability	Web App Scanning	Component Vulnerability	medium
152533	Drupal 8.9.x < 8.9.18 / 9.1.x < 9.1.12 / 9.2.x < 9.2.4 Multiple Vulnerabilities (SA-CORE-2021-005)	Nessus	CGI abuses	medium

Detections

Analytics

CVE-2021-32809

medium

Tenable Plugins

medium

medium

medium

medium

medium

medium