CVE-2021-43657

Severity: medium (CVSS 5.4 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.8% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2022-12-22 · updated 2026-06-17
Weakness: CWE-79

Description

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.

Affected products

Simple Client Management System Project Simple Client Management System: 1.0

References

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

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