CVE-2021-32667 Information

Description

TYPO3 is an open source PHP based web content management system. Versions 9.0.0 through 9.5.28 10.0.0 through 10.4.17 and 11.0.0 through 11.3.0 have a cross-site scripting vulnerability. When Page TSconfig settings are not properly encoded corresponding page preview module (Web>View) is vulnerable to persistent cross-site scripting. A valid backend user account is needed to exploit this vulnerability. TYPO3 versions 9.5.29 10.4.18 11.3.1 contain a patch for this issue.

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Reference

https://typo3.org/security/advisory/typo3-core-sa-2021-009 https://github.com/TYPO3/TYPO3.CMS/security/advisories/GHSA-8mq9-fqv8-59wf

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

REQUIRED

Confidentiality Impact

CHANGED

Integrity Impact

LOW

Availability Impact

LOW

Base Score

NONE

Base Severity

5.4