{"document":{"category":"csaf_vex","csaf_version":"2.0","title":"CVE-2026-9185: 6Storage Rentals <= 2.22.0 - Unauthenticated Insecure Direct Object Reference to Arbitrary User Disclosure and Modification via 'userId' Parameter","publisher":{"category":"vendor","name":"HarborGuard Database","namespace":"https://database.harborguard.co"},"tracking":{"id":"CVE-2026-9185","status":"final","version":"1","initial_release_date":"2026-06-09T03:41:20.509Z","current_release_date":"2026-06-09T15:13:19.602Z","revision_history":[{"date":"2026-06-09T03:41:20.509Z","number":"1","summary":"Initial machine-readable export from HarborGuard."}]},"distribution":{"tlp":{"label":"WHITE"},"text":"Public CVE data; freely redistributable."},"notes":[{"category":"description","text":"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.","title":"CVE description"}],"references":[{"category":"self","summary":"CVE-2026-9185 on HarborGuard Database","url":"https://database.harborguard.co/cve/CVE-2026-9185"},{"category":"external","summary":"CVE Record","url":"https://www.cve.org/CVERecord?id=CVE-2026-9185"},{"category":"external","summary":"wordfence.com","url":"https://www.wordfence.com/threat-intel/vulnerabilities/id/74fa4240-6f62-4db6-b7e7-56998fc29e42?source=cve"},{"category":"external","summary":"plugins.trac.wordpress.org","url":"https://plugins.trac.wordpress.org/browser/6storage-rentals/tags/2.22.0/inc/Base/Six_Storage_DashboardController.php#L998"},{"category":"external","summary":"plugins.trac.wordpress.org","url":"https://plugins.trac.wordpress.org/browser/6storage-rentals/tags/2.22.0/inc/Base/Six_Storage_DashboardController.php#L1955"},{"category":"external","summary":"plugins.trac.wordpress.org","url":"https://plugins.trac.wordpress.org/browser/6storage-rentals/tags/2.22.0/inc/Base/Six_Storage_DashboardController.php#L11"},{"category":"external","summary":"plugins.trac.wordpress.org","url":"https://plugins.trac.wordpress.org/browser/6storage-rentals/tags/2.22.0/inc/Base/Six_Storage_DashboardController.php#L995"},{"category":"external","summary":"plugins.trac.wordpress.org","url":"https://plugins.trac.wordpress.org/browser/6storage-rentals/tags/2.22.0/inc/Base/Six_Storage_DashboardController.php#L1931"},{"category":"external","summary":"plugins.trac.wordpress.org","url":"https://plugins.trac.wordpress.org/browser/6storage-rentals/tags/2.20.2/inc/Base/Six_Storage_DashboardController.php#L998"},{"category":"external","summary":"plugins.trac.wordpress.org","url":"https://plugins.trac.wordpress.org/browser/6storage-rentals/tags/2.20.2/inc/Base/Six_Storage_DashboardController.php#L1955"},{"category":"external","summary":"plugins.trac.wordpress.org","url":"https://plugins.trac.wordpress.org/browser/6storage-rentals/tags/2.20.2/inc/Base/Six_Storage_DashboardController.php#L11"},{"category":"external","summary":"plugins.trac.wordpress.org","url":"https://plugins.trac.wordpress.org/browser/6storage-rentals/tags/2.20.2/inc/Base/Six_Storage_DashboardController.php#L995"},{"category":"external","summary":"plugins.trac.wordpress.org","url":"https://plugins.trac.wordpress.org/browser/6storage-rentals/tags/2.20.2/inc/Base/Six_Storage_DashboardController.php#L1931"}]},"product_tree":{"branches":[{"category":"vendor","name":"sixstorage","branches":[{"category":"product_name","name":"6Storage Rentals","branches":[{"category":"product_version_range","name":"<=2.22.0","product":{"name":"sixstorage 6Storage Rentals <=2.22.0","product_id":"CSAFPID-1","product_identification_helper":{"cpe":"cpe:2.3:a:sixstorage:6storage_rentals:*:*:*:*:*:*:*:*"}}}]}]}]},"vulnerabilities":[{"cve":"CVE-2026-9185","title":"6Storage Rentals <= 2.22.0 - Unauthenticated Insecure Direct Object Reference to Arbitrary User Disclosure and Modification via 'userId' Parameter","notes":[{"category":"description","text":"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.","title":"CVE description"}],"product_status":{"known_affected":["CSAFPID-1"]},"scores":[{"cvss_v3":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","baseScore":7.5,"baseSeverity":"HIGH"},"products":["CSAFPID-1"]}],"remediations":[{"category":"none_available","details":"No fixed version is published yet. Monitor the upstream advisory.","product_ids":["CSAFPID-1"]}]}]}