CVE-2020-26574

Katalog CVE

CVSS 9.6 · Critical EPSS 2,1%

Kerentanan Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') pada leostream connection broker. Skor CVSS 3.1 9.6 (Critical) menurut NVD.

Deskripsi (NVD)

Leostream Connection Broker 8.2.x is affected by stored XSS. An unauthenticated attacker can inject arbitrary JavaScript code via the webquery.pl User-Agent HTTP header. It is rendered by the admins the next time they log in. The JavaScript injected can be used to force the admin to upload a malicious Perl script that will be executed as root via libMisc::browser_client. NOTE: This vulnerability only affects products that are no longer supported by the maintainer

Rincian

Terbit di NVD

6 Oktober 2020

Terakhir diubah

17 Juni 2026

Status NVD

Modified

CVSS 3.1

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

Jenis kelemahan (CWE)

CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

EPSS (30 hari)

2,1% peluang dieksploitasi; lebih tinggi dari 81,3% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://www.leostream.com/resources/product-lifecycle/ release notes · advisory vendor
• https://adepts.of0x.cc/leostream-xss-to-rce/ exploit · advisory pihak ketiga