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Medium · 5.4 CVE-2021-21340 BIT-typo3-2021-21340EUVD-2021-0653GHSA-fjh3-g8gq-9q92

Cross-Site Scripting in Content Preview

Published Mar 23, 2021 · Updated Aug 3, 2024 · Assigned by GitHub_M

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 .

Affected products

VendorProductAffectedFixed
TYPO3 TYPO3.CMS >= 10.0.0, <= 10.4.13, >= 11.0.0, <= 11.1.0 —

Affected packages

EcosystemPackageAffectedFixedRecord
Packagist typo3/cms >= 10.0.0, < 10.4.14 10.4.14 GHSA-fjh3-g8gq-9q92
Packagist typo3/cms >= 11.0.0, < 11.1.1 11.1.1 GHSA-fjh3-g8gq-9q92
Packagist typo3/cms-backend >= 10.0.0, < 10.4.14 10.4.14 GHSA-fjh3-g8gq-9q92
Packagist typo3/cms-backend >= 11.0.0, < 11.1.1 11.1.1 GHSA-fjh3-g8gq-9q92
Packagist typo3/cms-core >= 10.0.0, < 10.4.14 10.4.14 GHSA-fjh3-g8gq-9q92
Packagist typo3/cms-core >= 11.0.0, < 11.1.1 11.1.1 GHSA-fjh3-g8gq-9q92

References