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

TRUNG BÌNH 5.4CVE-2021-21358 · BIT-typo3-2021-21358 · GHSA-x79j-wgqv-g8h2 · Công bố 23/03/2021 · cập nhật 17/06/2026

Tóm tắt nhanh

CVE-2021-21358 là lỗ hổng mức TRUNG BÌNH (CVSS 5.4) ảnh hưởng typo3/cms, typo3/cms-core, typo3/cms-form.
Xác suất bị khai thác trong 30 ngày tới (EPSS): 0.87%, cao hơn 58.9% các lỗ hổng khác.
Cách xử lý: cập nhật lên 10.4.14, 11.1.1 hoặc mới hơn.

Gói / sản phẩm	Phiên bản bị ảnh hưởng	Phiên bản đã vá
typo3/cms Packagist	`≥ 10.0.0, < 10.4.14≥ 11.0.0, < 11.1.1`	`10.4.1411.1.1`
typo3/cms-core Packagist	`≥ 10.0.0, < 10.4.14≥ 11.0.0, < 11.1.1`	`10.4.1411.1.1`
typo3/cms-form Packagist	`≥ 10.2.0, < 10.4.14≥ 11.0.0, < 11.1.1`	`10.4.1411.1.1`
typo3 typo3	`≥ 10.2.0, < 10.4.14≥ 11.0.0, < 11.1.1`	`10.4.1411.1.1`

Mô tả

Problem

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.

Solution

Update to TYPO3 versions 10.4.14 or 11.1.1 that fix the problem described.

Credits

Thanks to Richie Lee who reported this issue and to TYPO3 framework merger Andreas Fernandez who fixed the issue.

References

TYPO3-CORE-SA-2021-004

Mô tả của NVD

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.