Blind SQL Injection in Opencart TMD Vendor System
CVE-2021-47928

8.8HIGH

Key Information:

Vendor

Opencartextensions

Status
Extension Tmd Vendor System
Vendor
CVE Published:
10 May 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2021-47928?

The Opencart TMD Vendor System 3.x is susceptible to a blind SQL injection flaw that enables unauthorized attackers to manipulate SQL queries via the product_id parameter. By leveraging time-based or content-based blind techniques, an attacker can extract sensitive information, such as usernames, emails, and password reset tokens from the oc_user table, compromising the security of user accounts. This vulnerability highlights the importance of securing input parameters to prevent unauthorized database access.

Affected Version(s)

Extension TMD Vendor System 3.0

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2021-47928 - Proof of Concept

References

https://www.exploit-db.com/exploits/50493
exploit
https://www.opencartextensions.in/
product
https://www.opencartextensions.in/opencart-multi-vendor-m...
product

CVSS V4

Score:
8.8
Severity:
HIGH
Confidentiality:
High
Integrity:
Low
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Muhammad Zaki Sulistya (zaki.sulistya@gmail.com)
.