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TYPO3 Improper Neutralization of Input During Web Page Generation (Cross-site Scripting) Vulnerability - CVE-2021-21340 - Vulnerability Database
TYPO3

TYPO3 Improper Neutralization of Input During Web Page Generation (Cross-site Scripting) Vulnerability - CVE-2021-21340

Medium
Reference: CVE-2021-21340
NVD Link: https://nvd.nist.gov/vuln/detail/CVE-2021-21340
Title: TYPO3 Improper Neutralization of Input During Web Page Generation (Cross-site Scripting) Vulnerability
Overview:

TYPO3 is an open source PHP based web content management system. In TYPO3 before versions 10.4.14 11.1.1 it has been discovered that database fields used as _descriptionColumn_ are vulnerable to cross-site scripting when their content gets previewed. A valid backend user account is needed to exploit this vulnerability. This is fixed in versions 10.4.14 11.1.1 .