CVE-2021-32733

Katalog CVE

CVSS 6.1 · Medium EPSS 1,1%

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

Deskripsi (NVD)

Nextcloud Text is a collaborative document editing application that uses Markdown. A cross-site scripting vulnerability is present in versions prior to 19.0.13, 20.0.11, and 21.0.3. The Nextcloud Text application shipped with Nextcloud server used a `text/html` Content-Type when serving files to users. Due the strict Content-Security-Policy shipped with Nextcloud, this issue is not exploitable on modern browsers supporting Content-Security-Policy. The issue was fixed in versions 19.0.13, 20.0.11, and 21.0.3. As a workaround, use a browser that has support for Content-Security-Policy.

Rincian

Terbit di NVD

12 Juli 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)

1,1% peluang dieksploitasi; lebih tinggi dari 64,9% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://github.com/nextcloud/text/pull/1689 patch · advisory pihak ketiga
• https://github.com/nextcloud/security-advisories/security/advisories/GHSA-x4w3-jhcr-57pq advisory pihak ketiga
• https://hackerone.com/reports/1241460 permissions required