CVE-2021-39202: wordpress

csirt@kutim:~/threat-intel/cve/CVE-2021-39202

CVSS 5.4 · Medium EPSS 0,82%

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

Deskripsi (NVD)

WordPress is a free and open-source content management system written in PHP and paired with a MySQL or MariaDB database. In affected versions the widgets editor introduced in WordPress 5.8 beta 1 has improper handling of HTML input in the Custom HTML feature. This leads to stored XSS in the custom HTML widget. This has been patched in WordPress 5.8. It was only present during the testing/beta phase of WordPress 5.8.

Rincian

Terbit di NVD: 9 September 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): 0,82% peluang dieksploitasi; lebih tinggi dari 56,1% CVE lain

Produk dan versi terdampak

Vendor	Produk	Versi terdampak
wordpress	wordpress	Versi 5.8 beta1
wordpress	wordpress	Versi 5.8 beta2

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

https://github.com/WordPress/wordpress-develop/security/advisories/GHSA-fr6h-3855-j297 advisory pihak ketiga
https://hackerone.com/reports/1222797 permissions required

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.