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TYPO3 8.3.x <= 8.7.26 and 9.x.x <= 9.5.7 XSS Vulnerability
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
4 years ago
Modified
Modified
4 years ago
Summary
TYPO3 is prone to a cross-site scripting vulnerability.
Insight
Insight
It has been discovered that the t3:// URL handling is vulnerable to cross-site scripting when making use of javascript: or data: scheme in link fields. Not only regular backend forms are affected but also frontend extensions which use the rendering with typolink.
Affected Software
Affected Software
TYPO3 versions 8.3.0 through 8.7.26 and 9.0.0 through 9.5.7.
Detection Method
Detection Method
Checks if a vulnerable version is present on the target host.
Solution
Solution
Update to version 8.7.27, 9.5.8 or later.