CVE-2021-21370: typo3 — Katalog CVE

csirt@kutim:~/threat-intel/cve/CVE-2021-21370

CVSS 5.4 · Medium EPSS 0,87%

Kerentanan Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') pada typo3. Skor CVSS 3.1 5.4 (Medium) menurut NVD.

Deskripsi (NVD)

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.

Rincian

Terbit di NVD: 23 Maret 2021
Terakhir diubah: 17 Juni 2026
Status NVD: Modified
CVSS 3.1: 5.4 (Medium), sumber NVD
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N · uraikan di kalkulator
Jenis kelemahan (CWE): CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
EPSS (30 hari): 0,87% peluang dieksploitasi; lebih tinggi dari 57,7% CVE lain

Produk dan versi terdampak

Vendor	Produk	Versi terdampak
typo3	typo3	Versi 7.0.0 hingga sebelum 7.6.51
typo3	typo3	Versi 8.0.0 hingga sebelum 8.7.40
typo3	typo3	Versi 9.0.0 hingga sebelum 9.5.25
typo3	typo3	Versi 10.0.0 hingga sebelum 10.4.14
typo3	typo3	Versi 11.0.0 hingga sebelum 11.1.1

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

https://typo3.org/security/advisory/typo3-core-sa-2021-008 advisory vendor
https://github.com/TYPO3/TYPO3.CMS/security/advisories/GHSA-x7hc-x7fm-f7qh advisory pihak ketiga
https://packagist.org/packages/typo3/cms-backend release notes · advisory pihak ketiga

Sumber: NVD · CVE.org · EPSS. Halaman ini disusun otomatis dari data tersebut; pembaruan terakhir 5 Okt 2026, 20:10 WITA. Kalau sistem di Perangkat Daerah memakai produk ini dan butuh bantuan, laporkan lewat kanal pelaporan.