CVE-2021-21358 MEDIUM

CVE-2021-21358: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in typo3/cms-form

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

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

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 the Form Designer backend module of the Form Framework is vulnerable to cross-site scripting. A valid backend user account with access to the form module is needed to exploit this vulnerability. This is fixed in versions 10.4.14, 11.1.1.

Key dates

Disclosure timeline

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