CVE-2021-43787

Katalog CVE

CVSS 6.1 · Medium EPSS 1,3%

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

Deskripsi (NVD)

Nodebb is an open source Node.js based forum software. In affected versions a prototype pollution vulnerability in the uploader module allowed a malicious user to inject arbitrary data (i.e. javascript) into the DOM, theoretically allowing for an account takeover when used in conjunction with a path traversal vulnerability disclosed at the same time as this report. The vulnerability has been patched as of v1.18.5. Users are advised to upgrade as soon as possible.

Rincian

Terbit di NVD

29 November 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')
CWE-1321: Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution')

EPSS (30 hari)

1,3% peluang dieksploitasi; lebih tinggi dari 70,0% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://github.com/NodeBB/NodeBB/commit/1783f918bc19568f421473824461ff2ed7755e4c patch · advisory pihak ketiga
• https://github.com/NodeBB/NodeBB/releases/tag/v1.18.5 patch · release notes · advisory pihak ketiga
• https://github.com/NodeBB/NodeBB/security/advisories/GHSA-wx69-rvg3-x7fc patch · advisory pihak ketiga
• https://blog.sonarsource.com/nodebb-remote-code-execution-with-one-shot/ exploit · advisory pihak ketiga