CVE-2021-38143: formtools core

csirt@kutim:~/threat-intel/cve/CVE-2021-38143

CVSS 6.1 · Medium EPSS 1,4%

Kerentanan Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') pada formtools core. Skor CVSS 3.1 6.1 (Medium) menurut NVD.

Deskripsi (NVD)

An issue was discovered in Form Tools through 3.0.20. When an administrator creates a customer account, it is possible for the customer to log in and proceed with a change of name and last name. However, these fields are vulnerable to XSS payload insertion, being triggered in the admin panel when the admin tries to see the client list. This type of XSS (stored) can lead to the extraction of the PHPSESSID cookie belonging to the admin.

Rincian

Terbit di NVD: 31 Agustus 2021
Terakhir diubah: 17 Juni 2026
Status NVD: Modified
CVSS 3.1: 6.1 (Medium), sumber NVD
CVSS:3.1/AV:N/AC:L/PR:N/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): 1,4% peluang dieksploitasi; lebih tinggi dari 70,8% CVE lain

Produk dan versi terdampak

Vendor	Produk	Versi terdampak
formtools	core	Semua versi hingga 3.0.20

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

https://www.formtools.org/ product · advisory vendor
https://bernardofsr.github.io/blog/2021/form-tools/ exploit · advisory pihak ketiga
https://github.com/bernardofsr/CVEs-With-PoC/blob/main/PoCs/Form%20Tools/README.md exploit · advisory pihak ketiga
https://github.com/formtools/core product · 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.