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GetSimple CMS 3.3.13 - Open Redirect

ID: CVE-2019-9915

Severity: medium

Author: 0x_Akoko

Tags: cve,cve2019,redirect,getsimple,cms,get-simple.

Description

Section titled “Description”

GetSimple CMS 3.3.13 contains an open redirect vulnerability via the admin/index.php redirect parameter. An attacker can redirect a user to a malicious site and possibly obtain sensitive information, modify data, and/or execute unauthorized operations.

YAML Source

Section titled “YAML Source”
id: CVE-2019-9915


info:
  name: GetSimple CMS 3.3.13 - Open Redirect
  author: 0x_Akoko
  severity: medium
  description: GetSimple CMS 3.3.13 contains an open redirect vulnerability via the admin/index.php redirect parameter. An attacker can redirect a user to a malicious site and possibly obtain sensitive information, modify data, and/or execute unauthorized operations.
  impact: |
    An attacker can exploit this vulnerability to redirect users to malicious websites, leading to phishing attacks or the installation of malware.
  remediation: |
    Upgrade to the latest version of GetSimple CMS to fix the open redirect vulnerability.
  reference:
    - https://www.invicti.com/web-applications-advisories/ns-18-056-open-redirection-vulnerability-in-getsimplecms
    - https://github.com/GetSimpleCMS/GetSimpleCMS/issues/1300
    - https://www.netsparker.com/web-applications-advisories/ns-18-056-open-redirection-vulnerability-in-getsimplecms/
    - https://nvd.nist.gov/vuln/detail/CVE-2019-9915
    - https://github.com/ARPSyndicate/kenzer-templates
  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-2019-9915
    cwe-id: CWE-601
    epss-score: 0.00123
    epss-percentile: 0.4663
    cpe: cpe:2.3:a:get-simple.:getsimplecms:3.3.13:*:*:*:*:*:*:*
  metadata:
    verified: true
    max-request: 1
    vendor: get-simple.
    product: getsimplecms
  tags: cve,cve2019,redirect,getsimple,cms,get-simple.


http:
  - raw:
      - |
        POST /admin/index.php?redirect=https://interact.sh/ HTTP/1.1
        Host: {{Hostname}}
        Content-Type: application/x-www-form-urlencoded


        userid={{username}}&pwd={{password}}&submitted=Login


    matchers:
      - type: regex
        part: header
        regex:
          - '(?m)^(?:Location\s*?:\s*?)(?:https?:\/\/|\/\/|\/\\\\|\/\\)(?:[a-zA-Z0-9\-_\.@]*)interact\.sh\/' # https://regex101.com/r/ZDYhFh/1
# digest: 4a0a00473045022100b5fe7f90094959736e03df53d0e6ff2735e800acbf0f8fcd5081cf96698d96670220438c1405cc63324c5dd888304017c582e7a8497b52973348ada6ca6b57f685bb:922c64590222798bb761d5b6d8e72950

Guide to check the vulnerabilities

Section titled “Guide to check the vulnerabilities”

This template is used to detect vulnerabilities in web applications. It can be used with the Nuclei tool to scan for specific patterns or behaviors.

Terminal window
$ nuclei -u "URL" -t "http/cves/2019/CVE-2019-9915.yaml"

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