CVE-2021-21340

Published March 23rd, 2021

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CVSS v3

5.4

MEDIUM

CVSS v2

3.5

LOW

Affected

PROJECT

Description

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 .

typo3/cms-backend

TYPO3 CMS backend

Packagist

12.7M