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TYPO3 XSS Vulnerability (TYPO3-CORE-SA-2021-004)
Information
Severity
Severity
Low
Family
Family
Web application abuses
CVSSv2 Base
CVSSv2 Base
3.5
CVSSv2 Vector
CVSSv2 Vector
AV:N/AC:M/Au:S/C:N/I:P/A:N
Solution Type
Solution Type
Vendor Patch
Created
Created
3 years ago
Modified
Modified
3 years ago
Summary
TYPO3 is prone to a cross-site scripting (XSS) vulnerability.
Insight
Insight
It has been discovered that the Form Designer backend module of the Form Framework is vulnerable to an XSS. A valid backend user account with access to the form module is needed to exploit this vulnerability.
Affected Software
Affected Software
TYPO3 version 10.2.0 through 10.4.13 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 10.4.14, 11.1.1 or later.