Read the docs
TI-2021-19405 Aliases CVE-2021-43505GHSA-m4x4-477c-c7vm

Multiple Cross Site Scripting (XSS) vulnerabilities exist in Ssourcecodester Simple…

Priority LOW 25CWE-79Published · Updated

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 · NVD. Fix status from CNA. Impact type from CWE-79.

Summary

Multiple Cross Site Scripting (XSS) vulnerabilities exist in Ssourcecodester Simple Client Management System v1 via (1) Add new Client and (2) Add new invoice.

Why it matters now

EPSS 0.00551 46th 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

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:simple_client_management_system_project:simple_client_management_system:1.0:*:*:*:*:*:*:*1.0VulnerableSimple Client Management System Project

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-43505
  2. 2026-10-03 Alias added: GHSA-m4x4-477c-c7vm

References

  • 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