What is CVE-2021-43657?

CVE-2021-43657 is a medium-severity vulnerability in Simple Client Management System Project, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2022-12-22.

How severe is CVE-2021-43657?

Medium severity. CVSS v3 base score is 5.4 out of 10.

Is CVE-2021-43657 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

XSS in Simple Client Management System Project

CVE-2021-43657

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.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.007 (50.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.

Affected products

Simple_client_management_system_project Simple_client_management_system — versions 1.0
N/a — versions n/a

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

Public proof-of-concept exploits

c0n5n3d/CVE-2021-43657

References

cve@mitre.org (Third Party Advisory)

Frequently asked questions

What is CVE-2021-43657?: CVE-2021-43657 is a medium-severity vulnerability in Simple Client Management System Project, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2022-12-22.
How severe is CVE-2021-43657?: Medium severity. CVSS v3 base score is 5.4 out of 10.
Is CVE-2021-43657 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.