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.

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.

    USN-5340-1 fixed several vulnerabilities in CKEditor. This update provides the fixes for CVE-2018-9861,     CVE-2020-9281, CVE-2021-32809, CVE-2021-33829 and CVE-2021-37695 for Ubuntu 16.04 ESM.



Tenable has extracted the preceding description block directly from the Ubuntu security advisory.

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 host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-5340-1 advisory.

    Kyaw Min Thein discovered that CKEditor incorrectly handled certain inputs. An attacker could possibly use     this issue to execute arbitrary code. This issue only affects Ubuntu 18.04 LTS. (CVE-2018-9861)

    Micha Bentkowski discovered that CKEditor incorrectly handled certain inputs. An attacker could possibly     use this issue to execute arbitrary code. This issue only affects Ubuntu 18.04 LTS and Ubuntu 20.04 LTS.
    (CVE-2020-9281)

    Anton Subbotin discovered that CKEditor incorrectly handled certain inputs. An attacker could possibly use     this issue to execute arbitrary code. This issue only affects Ubuntu 21.10. (CVE-2021-32808)

    Anton Subbotin discovered that CKEditor incorrectly handled certain inputs. An attacker could possibly use     this issue to inject arbitrary code. (CVE-2021-32809)

    Or Sahar discovered that CKEditor incorrectly handled certain inputs. An attacker could possibly use this     issue to execute arbitrary code. This issue only affects Ubuntu 18.04 LTS and Ubuntu 20.04 LTS.
    (CVE-2021-33829)

    Mika Kulmala discovered that CKEditor incorrectly handled certain inputs. An attacker could possibly use     this issue to execute arbitrary code. (CVE-2021-37695)

Tenable has extracted the preceding description block directly from the Ubuntu security advisory.

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

- https://www.drupal.org/project/drupal/releases/8.4.8

    - https://www.drupal.org/SA-CORE-2018-004

- https://www.drupal.org/project/drupal/releases/8.4.7

    - https://www.drupal.org/sa-core-2018-003

RPM update: `drupal8-rpmbuild` package dependencies fixed

Note that Tenable Network Security has extracted the preceding description block directly from the Fedora update system website.
Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

According to its self-reported version number, the detected Drupal application is affected by a cross-site scripting (XSS) vulnerability in the Enhanced Image (aka image2) plugin for CKEditor.

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

The version of CKEditor installed on the remote host is affected by a cross-site scripting vulnerability.

The included 'Enhanced Image' plugin causes CKEditor to fail to properly sanitize user-supplied input. A remote, unauthenticated attacker can leverage this issue to inject arbitrary HTML and script code into a user's browser to be executed within the security context of the affected site.

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
122651	Fedora 28 : ckeditor (2019-31ad8a36d8)	Nessus	Fedora Local Security Checks	medium
122627	Fedora 29 : ckeditor (2019-ae7f274d24)	Nessus	Fedora Local Security Checks	medium
120613	Fedora 28 : drupal8 (2018-8fd924a53d) (Drupalgeddon 2)	Nessus	Fedora Local Security Checks	critical
98572	Drupal 8.x < 8.4.7 Enhanced Image Plugin XSS	Web App Scanning	Component Vulnerability	medium
98571	Drupal 8.5.x < 8.5.2 Enhanced Image Plugin XSS	Web App Scanning	Component Vulnerability	medium
109705	Fedora 27 : drupal8 (2018-1ba93b3144) (Drupalgeddon 2)	Nessus	Fedora Local Security Checks	critical
109403	CKEditor 4.5.11 < 4.9.2 Enhanced Image Plugin XSS	Nessus	CGI abuses : XSS	medium

Detections

Analytics

CVE-2018-9861

medium

Tenable Plugins

medium

medium

medium

medium

critical

medium

medium

critical

medium