CVE-2020-15864

medium

Description

An issue was discovered in Quali CloudShell 9.3. An XSS vulnerability in the login page allows an attacker to craft a URL, with a constructor.constructor substring in the username field, that executes a payload when the user visits the /Account/Login page.

References

https://www.quali.com/products/cloudshell-pro/

https://burninatorsec.blogspot.com/2020/10/cve-2020-xxxxx-xss-in-quali-cloudshell.html

Details

Source: Mitre, NVD

Published: 2021-01-17

Updated: 2026-06-17

Risk Information

CVSS v2

Base Score: 4.3

Vector: CVSS2#AV:N/AC:M/Au:N/C:N/I:P/A:N

Severity: Medium

CVSS v3

Base Score: 6.1

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Severity: Medium

EPSS

EPSS: 0.00359