CVE-2021-21340

typo3/cms-backend

on packagist

Published

March 23, 2021

Severity

CVSS v3:

5.4 MEDIUM

CVSS v2:

3.5 LOW

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 .

References

https://typo3.org/security/advisory/typo3-core-sa-2021-007
https://github.com/TYPO3/TYPO3.CMS/security/advisories/GHSA-fjh3-g8gq-9q92
https://packagist.org/packages/typo3/cms-backend

Configurations

CPE23	Version Start	Version End	Exact Version
cpe:2.3:a:typo3:typo3::::::::	11.0.0 (including)	11.1.1	*
cpe:2.3:a:typo3:typo3::::::::	10.0.0 (including)	10.4.14	*

External Links

NVD - CVE-2021-21340