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CVE-2026-9185— 6Storage Rentals <= 2.22.0 - Unauthenticated Insecure Direct Object Reference to Arbitrary User Disclosure and Modification via 'userId' Parameter

Quick assessment

Affected
sixstorage 6Storage Rentals
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

WordPress和WordPress plugin都是WordPress基金会的产品。WordPress是一套使用PHP语言开发的博客平台。该平台具有在基于PHP和MySQL的服务器上架设个人博客网站的功能。WordPress plugin是一个应用插件。 WordPress plugin 6Storage Rentals 2.22.0及之前版本存在安全漏洞，该漏洞源于six_storage_get_user_info和six_storage_update_profile AJAX操作中的userId参

CVSS 7.5 · High EPSS 0.40% · P34

Affected Version Matrix 1

VendorProduct Version RangeStatus
sixstorage 6Storage Rentals ≤ 2.22.0 affected
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I. Basic Information for CVE-2026-9185

Vulnerability Information
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Vulnerability Title
6Storage Rentals <= 2.22.0 - Unauthenticated Insecure Direct Object Reference to Arbitrary User Disclosure and Modification via 'userId' Parameter
Source: CVE Program / CVE List V5
Vulnerability Description
The 6Storage Rentals plugin for WordPress is vulnerable to Authorization Bypass Through User-Controlled Key in all versions up to and including 2.22.0 via the `userId` parameter of the `six_storage_get_user_info` and `six_storage_update_profile` AJAX actions. This is due to the `six_storage_getUserInfo()` and `six_storage_updateProfile()` functions being registered on `wp_ajax_nopriv_*` hooks and accepting a tenant identifier directly from `$_POST['userId']` without performing any ownership verification, session binding, or nonce validation to confirm the requester has a legitimate relationship to the supplied ID. This makes it possible for unauthenticated attackers to read and modify arbitrary tenants' profile data — including name, email address, phone number, physical address, and SSN — by supplying an enumerated `userId` value in a crafted request to either handler.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
通过用户控制密钥绕过授权机制
Source: CVE Program / CVE List V5
Vulnerability Title
WordPress plugin 6Storage Rentals 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
WordPress和WordPress plugin都是WordPress基金会的产品。WordPress是一套使用PHP语言开发的博客平台。该平台具有在基于PHP和MySQL的服务器上架设个人博客网站的功能。WordPress plugin是一个应用插件。 WordPress plugin 6Storage Rentals 2.22.0及之前版本存在安全漏洞，该漏洞源于six_storage_get_user_info和six_storage_update_profile AJAX操作中的userId参
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
sixstorage 6Storage Rentals 0 ~ 2.22.0 -

II. Public POCs for CVE-2026-9185

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III. Intelligence Information for CVE-2026-9185

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IV. Related Vulnerabilities

Same product: 6Storage Rentals
Same vendor: sixstorage
Same weakness: CWE-639

V. Comments for CVE-2026-9185

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