CVE-2024-56294
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 · uneditedMissing Authorization vulnerability in POSIMYTH Nexter Blocks the-plus-addons-for-block-editor allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Nexter Blocks: from n/a through <= 4.0.7.
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 confidenceA missing authorization vulnerability in the Nexter Blocks WordPress plugin allows attackers to exploit incorrectly configured access control security levels. This means unauthenticated or unauthorized users may be able to access functionality or data they should not have permission to access.
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
- Low
- User interaction
- None
- Scope
- Changed
- Confidentiality
- None
- Integrity
- Low
- Availability
- Low
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:L/A:L
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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Verify Nexter Blocks plugin is installedIn WordPress admin, go to Plugins > Installed Plugins and look for 'Nexter Blocks' in the list. Alternatively, check the /wp-content/plugins/ directory for the nexter-blocks folder.Affected if The plugin is present in the WordPress installation
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Check installed plugin versionIn WordPress admin, click on the Nexter Blocks plugin to view its details and note the version number. Alternatively, check the main plugin file (usually nexter-blocks.php) for the 'Version' header in the plugin comments.Affected if Version is 4.0.7 or lower (versions up to and including 4.0.7 are affected)
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Identify publicly accessible endpointsReview the site's public-facing pages to determine if any Nexter Blocks features (such as custom post types, widgets, or builder elements) are exposed. Use a tool like WPScan or check the site's sitemap and robots.txt for hints about exposed content types.Affected if Nexter Blocks content or functionality is publicly accessible without authentication
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Review user role permissionsGo to WordPress admin > Users > Roles and verify the permission levels assigned to non-administrator roles regarding Nexter Blocks settings and content. Check if any custom roles or modified default roles have elevated access.Affected if Non-administrator roles have been granted elevated permissions or access to Nexter Blocks configuration
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Audit access logs for unauthorized access patternsReview web server access logs (Apache/Nginx) and WordPress audit logs for requests to Nexter Blocks-related AJAX actions (typically /wp-admin/admin-ajax.php) or API endpoints originating from unexpected IP addresses or unauthenticated sessions.Affected if Logs show requests to Nexter Blocks endpoints from unauthenticated or unauthorized sources
A user is affected if Nexter Blocks plugin versions 4.0.7 or lower are installed AND the plugin or its features are accessible to unauthenticated or unauthorized users.
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 Nexter Blocks to the latest version beyond 4.0.7 to obtain the authorization fix. If immediate update is not feasible, restrict admin access to the plugin and monitor for suspicious unauthorized access attempts.
- Consultation3.0 h
- Implementation6.0 h
- Testing3.0 h
- Review / QA2.0 h
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
Free · runs locallyCheck whether your project pulls in CVE-2024-56294 — 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-2024-56294 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
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