CVE-2021-47928

HighPublic PoC

Published: 10 May 2026

Published

10 May 2026

Modified

10 May 2026

KEV Added

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Patch

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CVSS Score 8.2 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N

EPSS Score N/A

Risk Priority 16 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2021-47928 is a high-severity SQL Injection (CWE-89) vulnerability in Opencartextensions (inferred from references). Its CVSS base score is 8.2 (High).

Operationally, it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.

Threat & Defense Details

Likely Mitigating ControlsAI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

CA-8 Penetration Testing

addresses: CWE-89

Penetration testing uses SQL injection payloads against database interfaces, identifying and supporting fixes for SQL injection weaknesses.

SI-10 Information Input Validation

addresses: CWE-89

Validates query inputs to prevent SQL syntax or command manipulation.

NVD Description

Opencart TMD Vendor System 3.x contains a blind SQL injection vulnerability that allows unauthenticated attackers to extract database information by injecting SQL code through the product_id parameter. Attackers can craft malicious SQL queries using time-based or content-based blind injection techniques…

to enumerate usernames, emails, and password reset codes from the oc_user table.

Deeper analysisAI

Automated synthesis unavailable for this CVE.