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
| 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-2021-43505
- 2026-10-03 Alias added: GHSA-m4x4-477c-c7vm
References
More Simple Client Management System Project Simple Client Management System vulnerabilities
- 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
Sources
- CVE-2021-43505 · CVE Program
- CVE-2021-43505 · NVD
- FIRST EPSS
- GHSA-m4x4-477c-c7vm · GitHub Advisory Database · CC BY 4.0
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