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

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Summary

CVECVE-2026-9185
StatePUBLISHED
AssignerWordfence
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-06-09 05:16:41 UTC
Updated2026-06-09 13:33:34 UTC
DescriptionThe 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.

Risk And Classification

Primary CVSS: v3.1 7.5 HIGH from [email protected]

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

EPSS: 0.004030000 probability, percentile 0.317680000 (date 2026-06-15)

Problem Types: CWE-639 | CWE-639 CWE-639 Authorization Bypass Through User-Controlled Key

VersionSourceTypeScoreSeverityVector
3.1[email protected]Primary7.5HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
3.1CNADECLARED7.5HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Sixstorage 6Storage Rentals affected 2.22.0 semver Not specified

References

ReferenceSourceLinkTags
plugins.trac.wordpress.org/browser/6storage-rentals/tags/2.22.0/inc/Base/Six_Storage_Das... [email protected] plugins.trac.wordpress.org
plugins.trac.wordpress.org/browser/6storage-rentals/tags/2.22.0/inc/Base/Six_Storage_Das... [email protected] plugins.trac.wordpress.org
plugins.trac.wordpress.org/browser/6storage-rentals/tags/2.20.2/inc/Base/Six_Storage_Das... [email protected] plugins.trac.wordpress.org
plugins.trac.wordpress.org/browser/6storage-rentals/tags/2.20.2/inc/Base/Six_Storage_Das... [email protected] plugins.trac.wordpress.org
plugins.trac.wordpress.org/browser/6storage-rentals/tags/2.20.2/inc/Base/Six_Storage_Das... [email protected] plugins.trac.wordpress.org
www.wordfence.com/threat-intel/vulnerabilities/id/74fa4240-6f62-4db6-b7e7-56998... [email protected] www.wordfence.com
plugins.trac.wordpress.org/browser/6storage-rentals/tags/2.22.0/inc/Base/Six_Storage_Das... [email protected] plugins.trac.wordpress.org
plugins.trac.wordpress.org/browser/6storage-rentals/tags/2.22.0/inc/Base/Six_Storage_Das... [email protected] plugins.trac.wordpress.org
plugins.trac.wordpress.org/browser/6storage-rentals/tags/2.20.2/inc/Base/Six_Storage_Das... [email protected] plugins.trac.wordpress.org
plugins.trac.wordpress.org/browser/6storage-rentals/tags/2.22.0/inc/Base/Six_Storage_Das... [email protected] plugins.trac.wordpress.org
plugins.trac.wordpress.org/browser/6storage-rentals/tags/2.20.2/inc/Base/Six_Storage_Das... [email protected] plugins.trac.wordpress.org
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Vendor Comments And Credit

Discovery Credit

CNA: Joy Gilbert (en)

Additional Advisory Data

SourceTimeEvent
CNA2026-06-08T15:06:25.000ZDisclosed
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