TI-2020-12484 Aliases CVE-2020-15864 GHSA-rhpf-c9pm-hccm

An issue was discovered in Quali CloudShell 9.3.

LOW 28CWE-79Published 2021-01-17 · Updated 2024-08-04

Key facts

Attack vector: Network
Privileges required: None
User interaction: Required
Attack complexity: Low
Impact type: Cross-site scripting
Confidentiality · integrity · availability: Low · Low · None
Fix status: No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-79.

Summary

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.

Why it matters now

EPSS 0.00709 53rd percentileScored 2026-11-07

Public exploit Yes 1 exploit referenceTagged by NVD

Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
—	—	all versions	—	No fix listed	CNA

— Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:quali:cloudshell:9.3:::::::*	9.3	Vulnerable	Quali

cpe:2.3:a:quali:cloudshell:9.3:*:*:*:*:*:*:* Versions 9.3 Vulnerable ·Quali

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2020-15864
2026-10-03 Alias added: GHSA-rhpf-c9pm-hccm

References

Exploit 1

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

Advisory 1

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

TI-2017-07150 Multiple cross-site scripting (XSS) vulnerabilities in Quali CloudShell before 8 allow… CVSS 3.0MEDIUM 5.4

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences