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Authorization Bypass in 6Storage Rentals WordPress Plugin AJAX Handlers

IdentifiersCVE-2026-9185CWE-639· Authorization Bypass Through…

CVE-2026-9185 affects the 6Storage Rentals plugin for WordPress in all versions up to and including 2.22.0. The vulnerability is an authorization bypass caused by user-controlled object references in the six_storage_get_user_info and six_storage_update_profile AJAX actions. Specifically, the six_storage_getUserInfo() and six_storage_updateProfile() functions are exposed through wp_ajax_nopriv_* hooks, allowing unauthenticated access, and they trust the $_POST['userId'] parameter without verifying that the requester is authorized to access or modify the referenced tenant record. The handlers also lack ownership checks, session binding, and nonce validation. As a result, an attacker can submit crafted requests with an enumerated userId to retrieve or alter arbitrary tenants' profile data.

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ANALYST BRIEF

Impact, mitigation & remediation

What it means. What to do now. Patch path, mitigations, and the assume-compromise checklist.

Impact

What an attacker gets, and what they’ve been doing with it.

Successful exploitation allows unauthenticated attackers to read and modify sensitive tenant profile information belonging to other users. Exposed data includes name, email address, phone number, physical address, and SSN. The vulnerability results in a complete loss of authorization controls for the affected profile operations, enabling both confidentiality and integrity compromise of tenant records at scale if user identifiers can be enumerated.

Mitigation

If you can’t patch tonight, do this now.

No official workaround is provided in the supplied content. As an interim measure, disable the 6Storage Rentals plugin or restrict access to the vulnerable AJAX endpoints if operationally feasible. Additional defensive measures include blocking unauthenticated requests to the affected actions at the WAF or reverse proxy layer, monitoring for suspicious requests containing arbitrary userId values, and reviewing tenant records for unauthorized profile changes or data access.

Remediation

Patch, then assume compromise.

Update to a vendor-fixed version once available. The provided advisory states that all versions up to and including 2.22.0 are affected. A proper fix should remove unauthenticated exposure of these handlers unless explicitly required, enforce server-side authorization checks tying the requested userId to the authenticated user context, and add nonce/session validation for AJAX requests. If no patched release is yet available, administrators should avoid running affected versions in production where possible.
PUBLIC EXPLOITS

Exploits

No public exploits tracked yet. Mallory keeps watching.

VALID 0 / 0 TOTALView more in app

No public exploit code observed for this vulnerability.

ACTIVITY FEED

Recent activity

6 sources tracked across advisories and community write-ups. News coverage will land here when it surfaces.

No news coverage yet. Advisories and community discussion only.

What this page doesn’t show

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Exposure mapping

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Threat actor evidence

Every observed campaign linking this CVE to a named adversary.

Associated malware

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Detection signatures

YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.

Vendor-by-vendor mapping

Cross-references every affected SKU, including bundled OEM variants.

Social activity6

Community discussion across Reddit, Mastodon, and other social sources.