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Test ID:1.3.6.1.4.1.25623.1.0.112890
Category:Web application abuses
Title:Drupal < 8.9.16, 9.0.x < 9.0.14, 9.1.x < 9.1.9 XSS Vulnerability (SA-CORE-2021-003) - Linux
Summary:Drupal is prone to a cross-site scripting (XSS) vulnerability.
Description:Summary:
Drupal is prone to a cross-site scripting (XSS) vulnerability.

Vulnerability Insight:
Drupal core uses the third-party CKEditor library. This library
has an error in parsing HTML that could lead to an XSS attack.

This issue is mitigated by the fact that it only affects sites with CKEditor enabled.

Affected Software/OS:
Drupal before 8.9.16, 9.0.x before 9.0.14,
and 9.1.x before 9.1.9.

Solution:
Update to version 8.9.16, 9.0.14, 9.1.9 or later.

CVSS Score:
4.3

CVSS Vector:
AV:N/AC:M/Au:N/C:N/I:P/A:N

Cross-Ref: Common Vulnerability Exposure (CVE) ID: CVE-2021-33829
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/NYA354LJP47KCVJMTUO77ZCX3ZK42G3T/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/UVOYN2WKDPLKCNILIGEZM236ABQASLGW/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/WAGNWHFIQAVCP537KFFS2A2GDG66J7XD/
https://ckeditor.com/blog/ckeditor-4.16.1-with-accessibility-enhancements/#improvements-for-comments-in-html-parser
https://lists.debian.org/debian-lts-announce/2021/11/msg00007.html
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