CVE-2021-39183: owncast project owncast

csirt@kutim:~/threat-intel/cve/CVE-2021-39183

CVSS 6.1 · Medium EPSS 0,77%

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

Deskripsi (NVD)

Owncast is an open source, self-hosted live video streaming and chat server. In affected versions inline scripts are executed when Javascript is parsed via a paste action. This issue is patched in 0.0.9 by blocking unsafe-inline Content Security Policy and specifying the script-src. The worker-src is required to be set to blob for the video player.

Rincian

Terbit di NVD: 14 Desember 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): 0,77% peluang dieksploitasi; lebih tinggi dari 54,5% CVE lain

Produk dan versi terdampak

Vendor	Produk	Versi terdampak
owncast project	owncast	Semua versi sebelum 0.0.9

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

https://github.com/owncast/owncast/security/advisories/GHSA-2hfj-cxw7-g45p exploit · patch · 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.