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CRITICAL

CVE-2021-42169

CVSS v3

9.8

CRITICAL

EPSS Score

2.8 %

exploit probability, as of 2026-09-25

CISA KEV

No

known exploited

Exploitation

—

SSVC status

Description

The Simple Payroll System with Dynamic Tax Bracket in PHP using SQLite Free Source Code (by: oretnom23 ) is vulnerable from remote SQL-Injection-Bypass-Authentication for the admin account. The parameter (username) from the login form is not protected correctly and there is no security and escaping from malicious payloads.

Technical details

Published
2021-10-22

Frequently asked questions

What is CVE-2021-42169?

The Simple Payroll System with Dynamic Tax Bracket in PHP using SQLite Free Source Code (by: oretnom23 ) is vulnerable from remote SQL-Injection-Bypass-Authentication for the admin account. The parameter (username) from the login form is not protected correctly and there is no security and escaping from malicious payloads.

Is CVE-2021-42169 actively exploited?

Active exploitation of CVE-2021-42169 has not been confirmed. Its EPSS score was 2.8% on 2026-09-25, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2021-42169?

CVE-2021-42169 has a CVSS v3 base score of 9.8 (CRITICAL severity).

Is CVE-2021-42169 affecting your environment?

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