CVE-2021-43140

CRITICAL

Simple Subscription Website 1.0 - SQL Injection via Login

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2021-43140. PoCs published by Daniel Haro.

AI-analyzed exploit summary This exploit demonstrates an SQL injection vulnerability in Simple Subscription Website 1.0, allowing authentication bypass via a crafted payload in the login request. The payload 'admin' or 1=1-- - bypasses authentication by manipulating the SQL query.

Description

SQL Injection vulnerability exists in Sourcecodester. Simple Subscription Website 1.0. via the login.

Exploits (1)

exploitdb WORKING POC
by Daniel Haro · textwebappsphp
https://www.exploit-db.com/exploits/50522

This exploit demonstrates an SQL injection vulnerability in Simple Subscription Website 1.0, allowing authentication bypass via a crafted payload in the login request. The payload 'admin' or 1=1-- - bypasses authentication by manipulating the SQL query.

Classification
Working Poc 100%
Attack Type
Sqli
Complexity
Trivial
Reliability
Reliable
Target: Simple Subscription Website 1.0
No auth needed
Prerequisites: Access to the login endpoint · Network connectivity to the target
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (3)

Core 3
Core References
Exploit, Third Party Advisory x_refsource_misc
https://github.com/Dir0x/CVE-2021-43140
Exploit, Third Party Advisory x_refsource_misc
https://github.com/nu11secur1ty/CVE-mitre/tree/main/CVE-2021-43140

Scores

CVSS v3 9.8
EPSS 0.0074
EPSS Percentile 73.4%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Details

CWE
CWE-89
Status published
Products (1)
oretnom23/simple_subscription_website 1.0
Published Nov 03, 2021
Tracked Since Feb 18, 2026