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TYPO3 XSS Vulnerability (TYPO3-CORE-SA-2021-008)
Information
Severity
Severity
Family
Family
CVSSv2 Base
CVSSv2 Base
CVSSv2 Vector
CVSSv2 Vector
Solution Type
Solution Type
Created
Created
Modified
Modified
Summary
TYPO3 is prone to a cross-site scripting (XSS) vulnerability.
Insight
Insight
It has been discovered that content elements of type menu are vulnerable to an XSS when their referenced items get previewed in the page module. A valid backend user account is needed to exploit this vulnerability. The affected code is only executed if an extension is used that actually leverages the type menu. By default this is not available by the Core.
Affected Software
Affected Software
TYPO3 version 7.0.0 through 7.6.50, 8.0.0 through 8.7.39, 9.0.0 through 9.5.16, 10.0.0 through 10.4.1 and 11.0.0 through 11.1.0.
Detection Method
Detection Method
Checks if a vulnerable version is present on the target host.
Solution
Solution
Update to version 7.6.51, 8.7.40, 9.5.25, 10.4.14, 11.1.1 or later.