CVE-2021-47838

Katalog CVE

CVSS 7.2 · High EPSS 0,44%

Kerentanan Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting'). Skor CVSS 3.1 7.2 (High) menurut vulncheck.com.

Deskripsi (NVD)

Markright 1.0 contains a persistent cross-site scripting vulnerability that allows attackers to embed malicious payloads in markdown files. Attackers can upload specially crafted markdown files that execute arbitrary JavaScript when opened, potentially enabling remote code execution on the victim's system.

Rincian

Terbit di NVD

16 Januari 2026

Terakhir diubah

17 Juni 2026

Status NVD

Deferred

CVSS 3.1

7.2 (High), sumber vulncheck.com
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/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)

0,44% peluang dieksploitasi; lebih tinggi dari 36,8% CVE lain

Produk dan versi terdampak

NVD belum mencantumkan data produk (CPE) untuk CVE ini. Produk yang terdampak biasanya disebut di deskripsi dan di advisory vendor pada daftar referensi.

Referensi dan perbaikan

• https://github.com/dvcrn/markright
• https://imgur.com/a/VOsgKbZ
• https://www.exploit-db.com/exploits/49834
• https://www.vulncheck.com/advisories/markright-persistent-cross-site-scripting