What’s Vulnerable › Vulnerabilities

CVE-2021-43505

• Severity: medium (CVSS 5.4 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.6% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2022-03-31 · updated 2026-06-17
• Weakness: CWE-79

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.

Affected products

• Simple Client Management System Project Simple Client Management System: 1.0

References

• https://raw.githubusercontent.com/Sentinal920/Findings/main/Simple%20Client%20Management%20System/xss.txt
• https://raw.githubusercontent.com/Sentinal920/Findings/main/Simple%20Client%20Management%20System/xss.txt

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