CVE-2021-47733: cmsimple

csirt@kutim:~/threat-intel/cve/CVE-2021-47733

CVSS 6.1 · Medium EPSS 0,26%

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

Deskripsi (NVD)

CMSimple 5.4 contains a cross-site scripting vulnerability that allows attackers to bypass input filtering by using HTML to Unicode encoding. Attackers can inject malicious scripts by encoding payloads like ')-alert(1)// and execute arbitrary JavaScript when victims interact with delete buttons.

Rincian

Terbit di NVD: 23 Desember 2025
Terakhir diubah: 17 Juni 2026
Status NVD: Analyzed
CVSS 3.1: 6.1 (Medium), sumber vulncheck.com
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): 0,26% peluang dieksploitasi; lebih tinggi dari 16,9% CVE lain

Produk dan versi terdampak

Vendor	Produk	Versi terdampak
cmsimple	cmsimple	Versi 5.4

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

https://www.vulncheck.com/advisories/cmsimple-cross-site-scripting-via-html-unicode-encoding advisory pihak ketiga
https://www.exploit-db.com/exploits/50612 exploit
https://www.cmsimple.org/en/ product

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.