TI-2021-19499 Aliases CVE-2021-43657 GHSA-r6hr-76g7-xqqp

A Stored Cross-site scripting (XSS) vulnerability via MAster.php in Sourcecodetester…

LOW 34CWE-79Published 2022-12-22 · Updated 2025-04-16

Key facts

Attack vector: Network
Privileges required: Low
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 · CISA ADP. Fix status from CNA. Impact type from CWE-79.

Summary

A Stored Cross-site scripting (XSS) vulnerability via MAster.php in Sourcecodetester Simple Client Management System (SCMS) 1.0 allows remote attackers to inject arbitrary web script or HTML via the vulnerable input fields.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00752 55th percentileScored 2026-11-07

Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: Yes
Technical impact: Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

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:simple_client_management_system_project:simple_client_management_system:1.0:::::::*	1.0	Vulnerable	Simple Client Management System Project

cpe:2.3:a:simple_client_management_system_project:simple_client_management_system:1.0:*:*:*:*:*:*:* Versions 1.0 Vulnerable ·Simple Client Management System Project

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2021-43657
2026-10-03 Alias added: GHSA-r6hr-76g7-xqqp

References

Advisory 1

https://github.com/c0n5n3d/CVE-2021-43657/blob/main/Info.txt

TI-2021-19408 SQL Injection vulnerability exists in Sourcecodester Simple Client Management System 1.0… CVSS 3.1CRITICAL 9.8
TI-2021-19398 A Remote Code Execution (RCE) vulnerability exists in Simple Client Management System 1.0… CVSS 3.1CRITICAL 9.8
TI-2022-09676 Simple Subscription Website v1.0 was discovered to contain a SQL injection vulnerability… CVSS 3.1CRITICAL 9.8
TI-2022-09675 Simple Client Management System v1.0 was discovered to contain a SQL injection… CVSS 3.1CRITICAL 9.8
TI-2021-19407 SQL Injection vulnerability exists in Sourcecodester Simple Client Management System 1.0… CVSS 3.1CRITICAL 9.8
TI-2022-12324 Simple Client Management System 1.0 is vulnerable to SQL Injection via /cms/admin/?page=client/view_client&id=. CVSS 3.1CRITICAL 9.8

See all 18 →

Sources

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