Missing AuthorizationWeakness · CWE-862

CVE-2026-39705

MEDIUM · 5.3 CVSS v3.1 Published 2026-04-08
Mitigation only
No fix yet — a mitigation exists. There is no fixed release. A documented workaround reduces exposure in the meantime.
See remediation →
62/100
Remediation priority · Elevated
Remotely reachable No privileges Zero-click

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 · unedited
Missing Authorization vulnerability in Mulika Team MIPL WC Multisite Sync mipl-wc-multisite-sync allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects MIPL WC Multisite Sync: from n/a through <= 1.4.4.

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 · moderate confidence

Missing authorization vulnerability in the MIPL WC Multisite Sync WordPress plugin allows attackers to access sensitive sync functions without proper authentication or capability checks due to incorrectly configured access control security levels.

MitigationUpdate the MIPL WC Multisite Sync plugin to the latest version or implement proper WordPress capability checks (current_user_can) and nonce verification on all administrative and sync endpoints.

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 checks

Work through these to decide whether this CVE applies to you.

  1. Verify MIPL WC Multisite Sync plugin is installed
    In WordPress admin, go to Plugins > Installed Plugins and look for 'MIPL WC Multite Sync' or 'MIPL WC Multisite Sync' in the list. Note whether it is active or inactive.
    Affected if the plugin is installed and active in a WordPress multisite installation
  2. Check the installed plugin version
    In the plugins list, click on the plugin name or view the plugin header file (usually in wp-content/plugins/mipl-wc-multisite-sync/ directory) to find the version number in the plugin comments.
    Affected if the version matches or falls within any known vulnerable version range for this CVE
  3. Identify sensitive AJAX handlers and admin pages in the plugin
    Examine PHP files in the plugin directory for action hooks (like wp_ajax_*) and admin menu registrations (add_menu_page, add_submenu_page). Look for files that handle multisite synchronization functions.
    Affected if the plugin contains AJAX handlers or admin pages that perform multisite sync operations
  4. Inspect capability checks in sensitive functions
    Search the plugin PHP files for 'current_user_can' or 'check_admin_referer' calls before sensitive operations. Specifically look in files handling sync operations, user role assignments, or data transfers between sites.
    Affected if sensitive functions lack proper current_user_can() capability checks before executing operations
  5. Test unauthorized access to sync endpoints
    Attempt to access plugin AJAX endpoints or admin pages while logged out or as a low-privilege user (subscriber level). Use browser dev tools or curl to send requests to endpoints like wp-admin/admin-ajax.php?action=mipl_* or admin pages under the plugin menu.
    Affected if sensitive operations execute successfully without proper authorization verification

If the MIPL WC Multisite Sync plugin is active and its sensitive functions lack proper current_user_can() capability checks, the environment is vulnerable to unauthorized access.

Generated from the published advisory. Verify against your own configuration.

Check your environment

Paste your version and any relevant configuration and it will be compared against the affected criteria above. Do not include secrets or credentials.

AI-assisted, checked against the advisory. Informational, not a guarantee.

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 data
Mitigation available No clean upgrade yet — mitigate in the meantime
Mitigation

Update the MIPL WC Multisite Sync plugin to the latest version or implement proper WordPress capability checks (current_user_can) and nonce verification on all administrative and sync endpoints.

Have this fixed Scoped from the published advisory
  • Consultation3.0 h
  • Implementation6.0 h
  • Testing3.0 h
  • Review / QA2.0 h
14.0 hours of engineering $2,490
Get help mitigating

An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $3,984.

Scan for this in your stack

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References Go to the primary sourcePrimary sources — vendor advisories, patches and trackers. Where our summary and a reference disagree, the reference wins.

Primary sources

Practitioner notes

Contributed

Peer-ranked notes from engineers who’ve handled CVE-2026-39705 in production — separate from our analysis above.

No notes yet

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What this is

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.

What belongs here
  • Verified mitigations, workarounds, and config changes
  • Version or environment caveats, and links to real fixes
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