CVE-2021-21358: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

March 23, 2021 (updated March 29, 2021)

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.

References

github.com/TYPO3/TYPO3.CMS/security/advisories/GHSA-x79j-wgqv-g8h2
github.com/advisories/GHSA-x79j-wgqv-g8h2
nvd.nist.gov/vuln/detail/CVE-2021-21358
packagist.org/packages/typo3/cms-form
typo3.org/security/advisory/typo3-core-sa-2021-004

Code Behaviors & Features

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