CVE-2026-7651
Official description Straight from the sourceThe vendor's or NVD's own wording, published unedited. Authoritative, but often terse — it says what broke, rarely what to do.
NVD · uneditedThe User Registration & Membership – Free & Paid Memberships, Subscriptions, Content Restriction, User Profile, Custom User Registration & Login Builder plugin for WordPress is vulnerable to Insecure Direct Object Reference in all versions up to, and including, 5.1.5. This is due to missing ownership validation on a user-controlled attachment ID, allowing the plugin to store and subsequently delete arbitrary media attachments without verifying that the referenced attachment belongs to the requesting user. This makes it possible for authenticated attackers, with subscriber-level access and above, to permanently delete arbitrary media attachments uploaded by any other user, including administrators.
Technical summary Written by usOur analysis, written from the advisory, the CVSS vector and the affected-version data. It adds context the advisory leaves out, and never invents facts that are not in the source.
dbcve analysis · high confidenceThe WordPress membership plugin fails to validate ownership of media attachments before allowing deletion. Authenticated users with subscriber-level access can manipulate attachment IDs in deletion requests to delete arbitrary files in the media library, regardless of who uploaded them.
Verify against the referenced sources before acting — the references below are authoritative for this CVE, this summary is not.
CVSS breakdown How the score is builtThe industry scoring standard. It rates how the flaw is reached, what it takes to exploit, and what an attacker gains — the score is derived from those, not the other way round.
From the vector- Attack vector
- Network
- Complexity
- Low
- Privileges
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- None
- Integrity
- Low
- Availability
- None
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Am I affected? How to checkSteps we derive from the advisory and the affected-version data, so you can decide whether this CVE reaches your setup. They are a guide, not a scan — your own configuration is the authority.
dbcve checksWork through these to decide whether this CVE applies to you.
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Identify the membership plugin versionAccess the WordPress admin dashboard, navigate to Plugins, locate the membership plugin, and note the installed version number. Alternatively, check the plugin's main PHP file for the Version header comment.Affected if The installed version is lower than 5.1.6 (for example, 5.1.5, 5.1.0, or earlier releases).
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Verify if user registration is enabledGo to WordPress admin > Settings > General and check the box labeled 'Anyone can register'. Confirm the default role for new users is set to Subscriber.Affected if User registration is enabled and allows subscriber-level accounts, which is required for an attacker to exploit this flaw.
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Confirm media library is accessible to subscribersLog in as a test subscriber user and attempt to access the Media Library (wp-admin/upload.php). Verify if the user can view other users' uploaded files.Affected if Subscriber-level users can access the media library and view attachments uploaded by other users, indicating the vulnerable access path exists.
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Test the deletion endpoint for IDORUsing a subscriber account, make a DELETE request to the media attachment endpoint (such as /wp-admin/admin-ajax.php with action=delete_attachment) while manipulating the attachment ID to target a file you do not own.Affected if The deletion request succeeds for attachments owned by other users, confirming the vulnerability is present and exploitable.
You are affected if the membership plugin version is below 5.1.6 AND subscriber-level user accounts can be created AND those subscribers can access the media library.
Generated from the published advisory. Verify against your own configuration.
Remediation Closing itWhat it takes to close this. Where a vendor fix exists we point at it; where none exists we say so plainly, and can build one. Effort estimates are scoped from the advisory, not from your codebase.
From vendor dataUpdate to version 5.1.6 or later which includes ownership validation. Until patched, restrict user registration or disable the affected attachment handling functionality.
- Consultation3.0 h
- Implementation6.0 h
- Testing5.0 h
- Review / QA3.0 h
An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $4,752.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2026-7651 — or any other known-vulnerable package — straight from your lock files. Free and open source; it runs locally and uploads nothing.
References Go to the primary sourcePrimary sources — vendor advisories, patches and trackers. Where our summary and a reference disagree, the reference wins.
Primary sourcesPractitioner notes
ContributedPeer-ranked notes from engineers who’ve handled CVE-2026-7651 in production — separate from our analysis above.
The advisory tells you what broke. It rarely tells you what actually worked. If you’ve dealt with this one, that detail is what the next engineer is searching for.
- The version that genuinely resolved it — not the one the vendor claimed
- A config change or rule that shut the vector down
- A gotcha in the upgrade path that cost you an afternoon
No notes yet
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A place for practitioners to share what actually worked: a mitigation you’ve tested, a configuration change, a version- or environment-specific caveat, or a link to a verified patch. The most useful notes rise to the top as peers upvote them, so the signal stays high.
- Verified mitigations, workarounds, and config changes
- Version or environment caveats, and links to real fixes
- No weaponised exploit code, or anything meant to cause harm
- No spam, self-promotion, credentials, or personal data