CVE-2021-21370 MEDIUM

CVE-2021-21370: Cross-Site Scripting in Content Preview (CType menu)

Vendor Typo3
Product TYPO3.CMS
Weakness CWE-79 · XSS
Published March 23, 2021
Last update August 3, 2024
View on NVD All CVEs

CVSS base score

5.4/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction Required
Confidentiality Low
Integrity Low

CVSS vector

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

What the vulnerability does

01Description

TYPO3 is an open source PHP based web content management system. In TYPO3 before versions 7.6.51, 8.7.40, 9.5.25, 10.4.14, 11.1.1 it has been discovered that content elements of type _menu_ are vulnerable to cross-site scripting when their referenced items get previewed in the page module. A valid backend user account is needed to exploit this vulnerability. This is fixed in versions 7.6.51, 8.7.40, 9.5.25, 10.4.14, 11.1.1.

Key dates

02Disclosure timeline

March 23, 2021 CVE published
August 3, 2024 Record updated