CVE-2021-24436: boldgrid w3 total cache

csirt@kutim:~/threat-intel/cve/CVE-2021-24436

CVSS 6.1 · Medium EPSS 1,9%

Kerentanan Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') pada boldgrid w3 total cache. Skor CVSS 3.1 6.1 (Medium) menurut NVD.

Deskripsi (NVD)

The W3 Total Cache WordPress plugin before 2.1.4 was vulnerable to a reflected Cross-Site Scripting (XSS) security vulnerability within the "extension" parameter in the Extensions dashboard, which is output in an attribute without being escaped first. This could allow an attacker, who can convince an authenticated admin into clicking a link, to run malicious JavaScript within the user's web browser, which could lead to full site compromise.

Rincian

Terbit di NVD: 19 Juli 2021
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): 1,9% peluang dieksploitasi; lebih tinggi dari 79,2% CVE lain

Produk dan versi terdampak

Vendor	Produk	Versi terdampak
boldgrid	w3 total cache	Semua versi sebelum 2.1.4

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

https://wpscan.com/vulnerability/05988ebb-7378-4a3a-9d2d-30f8f58fe9ef 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.