CVE-2021-23899

Katalog CVE

CVSS 9.8 · Critical EPSS 2,1%

Kerentanan Improper Restriction of XML External Entity Reference pada owasp json-sanitizer. Skor CVSS 3.1 9.8 (Critical) menurut NVD.

Deskripsi (NVD)

OWASP json-sanitizer before 1.2.2 may emit closing SCRIPT tags and CDATA section delimiters for crafted input. This allows an attacker to inject arbitrary HTML or XML into embedding documents.

Rincian

Terbit di NVD

13 Januari 2021

Terakhir diubah

17 Juni 2026

Status NVD

Modified

CVSS 3.1

9.8 (Critical), sumber NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H · uraikan di kalkulator

Jenis kelemahan (CWE)

CWE-611: Improper Restriction of XML External Entity Reference

EPSS (30 hari)

2,1% peluang dieksploitasi; lebih tinggi dari 81,1% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://github.com/OWASP/json-sanitizer/commit/a37f594f7378a1c76b3283e0dab9e1ab1dc0247e patch · advisory pihak ketiga
• https://github.com/OWASP/json-sanitizer/compare/v1.2.1...v1.2.2 patch · advisory pihak ketiga
• https://groups.google.com/g/json-sanitizer-support/c/dAW1AeNMoA0 advisory pihak ketiga