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CRITICAL

CVE-2021-43420

CVSS v3

9.8

CRITICAL

EPSS Score

1.3 %

exploit probability, as of 2026-09-25

CISA KEV

No

known exploited

Exploitation

—

SSVC status

Description

SQL injection vulnerability in Login.php in Sourcecodester Online Payment Hub v1 by oretnom23, allows attackers to execute arbitrary SQL commands via the username parameter.

Technical details

Published
2022-01-24

Frequently asked questions

What is CVE-2021-43420?

SQL injection vulnerability in Login.php in Sourcecodester Online Payment Hub v1 by oretnom23, allows attackers to execute arbitrary SQL commands via the username parameter.

Is CVE-2021-43420 actively exploited?

Active exploitation of CVE-2021-43420 has not been confirmed. Its EPSS score was 1.3% on 2026-09-25, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2021-43420?

CVE-2021-43420 has a CVSS v3 base score of 9.8 (CRITICAL severity).

Is CVE-2021-43420 affecting your environment?

Use isMalicious to check if any of your IPs or domains are associated with this vulnerability's IOCs.

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