CVE-2021-3271: pressbooks

csirt@kutim:~/threat-intel/cve/CVE-2021-3271

CVSS 4.8 · Medium EPSS 0,93%

Kerentanan Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') pada pressbooks. Skor CVSS 3.1 4.8 (Medium) menurut NVD.

Deskripsi (NVD)

PressBooks 5.17.3 contains a cross-site scripting (XSS). Stored XSS can be submitted via the Book Info's Long Description Body, and all actions to open or preview the books page will result in the triggering the stored XSS.

Rincian

Terbit di NVD: 18 Februari 2021
Terakhir diubah: 17 Juni 2026
Status NVD: Modified
CVSS 3.1: 4.8 (Medium), sumber NVD
CVSS:3.1/AV:N/AC:L/PR:H/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): 0,93% peluang dieksploitasi; lebih tinggi dari 59,6% CVE lain

Produk dan versi terdampak

Vendor	Produk	Versi terdampak
pressbooks	pressbooks	Semua versi hingga 5.17.3

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

https://github.com/pressbooks/pressbooks advisory pihak ketiga
https://github.com/pressbooks/pressbooks/pull/2072 exploit · advisory pihak ketiga
https://www.gosecure.net/blog/2021/02/16/cve-2021-3271-pressbooks-stored-cross-site-scripting-proof-of-concept... exploit · 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.