CVE-2024-4023: flatpress

csirt@kutim:~/threat-intel/cve/CVE-2024-4023

CVSS 8.1 · High EPSS 0,81%

Kerentanan Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') pada flatpress. Skor CVSS 3.0 8.1 (High) menurut huntr.dev.

Deskripsi (NVD)

A stored cross-site scripting (XSS) vulnerability exists in flatpressblog/flatpress version 1.3. When a user uploads a file with a `.xsig` extension and directly accesses this file, the server responds with a Content-type of application/octet-stream, leading to the file being processed as an HTML file. This allows an attacker to execute arbitrary JavaScript code, which can be used to steal user cookies, perform HTTP requests, and access content of the same origin.

Rincian

Terbit di NVD: 20 Maret 2025
Terakhir diubah: 17 Juni 2026
Status NVD: Analyzed
CVSS 3.0: 8.1 (High), sumber huntr.dev
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H · uraikan di kalkulator
Jenis kelemahan (CWE): CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
EPSS (30 hari): 0,81% peluang dieksploitasi; lebih tinggi dari 55,7% CVE lain

Produk dan versi terdampak

Vendor	Produk	Versi terdampak
flatpress	flatpress	Versi 1.3

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

https://github.com/flatpressblog/flatpress/commit/3c9cc69364a45fd3f92d4bd606344b5dd1205d6a patch
https://huntr.com/bounties/ed803c13-0858-4c22-93ba-bf2384ab1e9d exploit · advisory pihak ketiga

Sumber: NVD · CVE.org · EPSS. Halaman ini disusun otomatis dari data tersebut; pembaruan terakhir 5 Okt 2026, 20:11 WITA. Kalau sistem di Perangkat Daerah memakai produk ini dan butuh bantuan, laporkan lewat kanal pelaporan.