CVE-2021-3313: plone — Katalog CVE

csirt@kutim:~/threat-intel/cve/CVE-2021-3313

CVSS 5.4 · Medium EPSS 0,98%

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

Deskripsi (NVD)

Plone CMS until version 5.2.4 has a stored Cross-Site Scripting (XSS) vulnerability in the user fullname property and the file upload functionality. The user's input data is not properly encoded when being echoed back to the user. This data can be interpreted as executable code by the browser and allows an attacker to execute JavaScript in the context of the victim's browser if the victim opens a vulnerable page containing an XSS payload.

Rincian

Terbit di NVD: 20 Mei 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): 0,98% peluang dieksploitasi; lebih tinggi dari 61,1% CVE lain

Produk dan versi terdampak

Vendor	Produk	Versi terdampak
plone	plone	Semua versi sebelum 5.2.4

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

https://plone.org/download/releases/5.2.3 release notes · advisory vendor
https://plone.org/security/hotfix/20210518 advisory vendor
http://www.openwall.com/lists/oss-security/2021/05/22/1 mailing list · advisory pihak ketiga
https://www.compass-security.com/fileadmin/Research/Advisories/2021-07_CSNC-2021-013_XSS_in_Plone_CMS.txt 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.