SQL Injection Vulnerability in EgavilanMedia PHPCRUD by EgavilanMedia
CVE-2021-47956

8.8HIGH

Key Information:

Vendor

Egavilanmedia

Status
Egavilanmedia PHPcrud
Vendor
CVE Published:
16 May 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2021-47956?

EgavilanMedia PHPCRUD 1.0 is susceptible to an SQL injection flaw that permits unauthenticated attackers to manipulate database queries. By exploiting the firstname parameter through crafted POST requests to insert.php, attackers can inject malicious SQL code, potentially compromising sensitive database information and revealing critical data that could affect users and the integrity of the application.

Affected Version(s)

EgavilanMedia PHPCRUD 1.0

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-2021-47956 - Proof of Concept

References

https://www.exploit-db.com/exploits/49878
exploit
https://egavilanmedia.com
product
https://egavilanmedia.com/crud-operation-with-php-mysql-b...
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

Dimitrios Mitakos
.