CVE-2021-22878

Katalog CVE

CVSS 4.8 · Medium EPSS 1,1%

Kerentanan Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') pada nextcloud server, fedoraproject fedora. Skor CVSS 3.1 4.8 (Medium) menurut NVD.

Deskripsi (NVD)

Nextcloud Server prior to 20.0.6 is vulnerable to reflected cross-site scripting (XSS) due to lack of sanitization in `OC.Notification.show`.

Rincian

Terbit di NVD

3 Maret 2021

Terakhir diubah

17 Juni 2026

Status NVD

Modified

CVSS 3.1

4.8 (Medium), sumber NVD
CVSS:3.1/AV:N/AC:L/PR:H/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 63,6% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://nextcloud.com/security/advisory/?id=NC-SA-2021-005 advisory vendor
• https://github.com/nextcloud/server/pull/25234 patch · advisory pihak ketiga
• https://hackerone.com/reports/896522 exploit · issue tracking · advisory pihak ketiga
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/L6BO6P6MP2MOW...