dbcve.org
Missing AuthorizationWeakness · CWE-862

CVE-2025-39451

HIGH · 7.5 CVSS v3.1 Published 2025-05-19
Mitigation only
No fix yet — a mitigation exists. There is no fixed release. A documented workaround reduces exposure in the meantime.
See remediation →
84/100
Remediation priority · High
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 Crocoblock JetBlocks For Elementor jet-blocks allows Accessing Functionality Not Properly Constrained by ACLs.This issue affects JetBlocks For Elementor: from n/a through <= 1.3.16.

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 Crocoblock JetBlocks For Elementor plugin allows users to access functionality that should be protected by Access Control Lists (ACLs). This authorization bypass could enable unauthenticated or unauthorized users to perform actions that should be restricted to privileged users.

MitigationUpdate to a patched version of JetBlocks For Elementor once released. In the interim, review user roles and permissions, and restrict administrative access to trusted personnel only.

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
High
Integrity
None
Availability
None

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/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 JetBlocks plugin is installed
    In WordPress admin, go to Plugins > Installed Plugins and look for 'JetBlocks For Elementor' by Crocoblock. Note the installed version number displayed.
    Affected if The plugin is installed and active, regardless of version, since the exact vulnerable version range is not specified in the CVE data.
  2. Check the current user role configuration
    Navigate to Users > Roles in WordPress admin. Review the roles that have access to JetBlocks widgets or template functionality. Verify which roles can access restricted features.
    Affected if Any user role other than Administrator has been granted permissions to JetBlocks ACL-protected features, indicating potential authorization bypass.
  3. Test access to restricted JetBlocks functionality
    Attempt to access JetBlocks widget settings, dynamic data connections, or header/footer template editing with a low-privilege user account (subscriber or editor). Use browser developer tools to observe HTTP responses.
    Affected if A user without Administrator privileges can access JetBlocks settings or template features that should require elevated permissions.
  4. Inspect JetBlocks module activation status
    Go to JetBlocks settings or the Crocoblock dashboard. Check which modules (such as header/footer builder, login/user profile widgets, or custom CSS/JS modules) are enabled.
    Affected if Protected modules like header/footer template editing or user management widgets are active and accessible to non-admin users.

A user is affected if the JetBlocks plugin is installed and any non-administrator user role can access features that should be restricted to privileged users, as the CVE describes an authorization bypass in ACL-protected functionality.

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.

dbcve · scoped
Mitigation available No clean upgrade yet — mitigate in the meantime
Mitigation

Update to a patched version of JetBlocks For Elementor once released. In the interim, review user roles and permissions, and restrict administrative access to trusted personnel only.

Recommended fix Moderate confidence

Latest version of JetBlocks For Elementor (newer than 1.3.16)

  1. 1. Navigate to your WordPress dashboard
  2. 2. Go to Plugins > Installed Plugins
  3. 3. Locate JetBlocks For Elementor
  4. 4. If an update is available, click 'Update Now'
  5. 5. Alternatively, download the latest version from the official WordPress repository or Crocoblock account area
  6. 6. Verify the updated version number after updating (should be newer than 1.3.16)
  7. 7. Test that JetBlocks functionality works correctly on your site

Generated from the published advisory — verify against the referenced sources before acting.

Have this fixed Scoped from the published advisory
  • Consultation2.0 h
  • Implementation4.0 h
  • Testing3.0 h
  • Review / QA2.0 h
11.0 hours of engineering $1,930
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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-2025-39451 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
  • No weaponised exploit code, or anything meant to cause harm
  • No spam, self-promotion, credentials, or personal data