CVE-2021-43505

PoC —

CVSS 3.1

5.4 medium

EPSS

<1%p44

Published

Mar 31, 2022 (Mar 31, 2022)

Modified

Jun 17, 2026

Description

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

Vendors: simple client management system project
Products: simple client management system
Weakness: CWE-79
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

NVD CVE.org GitHub PoCs EPSS (0.6%)

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