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Drupal < 8.9.16, 9.0.x < 9.0.14, 9.1.x < 9.1.9 XSS Vulnerability (SA-CORE-2021-003) - Linux
Information
Severity
Severity
Medium
Family
Family
Web application abuses
CVSSv2 Base
CVSSv2 Base
4.3
CVSSv2 Vector
CVSSv2 Vector
AV:N/AC:M/Au:N/C:N/I:P/A:N
Solution Type
Solution Type
Vendor Patch
Created
Created
2 years ago
Modified
Modified
2 years ago
Summary
Drupal is prone to a cross-site scripting (XSS) vulnerability.
Insight
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
Affected Software
Drupal before 8.9.16, 9.0.x before 9.0.14, and 9.1.x before 9.1.9.
Detection Method
Detection Method
Checks if a vulnerable version is present on the target host.
Solution
Solution
Update to version 8.9.16, 9.0.14, 9.1.9 or later.