CVE-2021-47839

Katalog CVE

CVSS 7.2 · High EPSS 0,46%

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

Deskripsi (NVD)

Marky 0.0.1 contains a persistent cross-site scripting vulnerability that allows attackers to inject malicious scripts into markdown files. Attackers can upload crafted markdown files with embedded JavaScript payloads that execute when the file is opened, potentially enabling remote code execution.

Rincian

Terbit di NVD

16 Januari 2026

Terakhir diubah

15 Juli 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)

0,46% peluang dieksploitasi; lebih tinggi dari 38,4% 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/vesparny/marky
• https://imgur.com/a/qclfrUx
• https://www.exploit-db.com/exploits/49831
• https://www.vulncheck.com/advisories/marky-persistent-cross-site-scripting
• https://access.redhat.com/security/cve/CVE-2021-47839
• https://bugzilla.redhat.com/show_bug.cgi?id=2430451
• https://security.access.redhat.com/data/csaf/v2/vex/2021/cve-2021-47839.json