CVE-2020-15299: king-theme kingcomposer

csirt@kutim:~/threat-intel/cve/CVE-2020-15299

CVSS 6.1 · Medium EPSS 47,0%

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

Deskripsi (NVD)

A reflected Cross-Site Scripting (XSS) Vulnerability in the KingComposer plugin through 2.9.4 for WordPress allows remote attackers to trick a victim into submitting an install_online_preset AJAX request containing base64-encoded JavaScript (in the kc-online-preset-data POST parameter) that is executed in the victim's browser.

Rincian

Terbit di NVD: 9 Juli 2020
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): 47,0% peluang dieksploitasi; lebih tinggi dari 98,8% CVE lain

Produk dan versi terdampak

Vendor	Produk	Versi terdampak
king-theme	kingcomposer	Semua versi hingga 2.9.4

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

https://www.wordfence.com/blog/2020/07/xss-flaw-impacting-100000-sites-patched-in-kingcomposer/ 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.