Essential BlocksWordPress extension · Wpdeveloper

CVE-2024-47385

MEDIUM · 5.4 CVSS v3.1 Published 2024-10-05
Fix available
A fix is available. Upgrade to 4.9.0 or later.
See remediation →
58/100
Remediation priority · Elevated
Remotely reachable

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
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in WPDeveloper Essential Blocks for Gutenberg essential-blocks allows Stored XSS.This issue affects Essential Blocks for Gutenberg: from n/a through <= 4.8.4.

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

A stored Cross-Site Scripting (XSS) vulnerability exists in the Essential Blocks for Gutenberg WordPress plugin (versions up to 4.8.4). The vulnerability stems from improper input neutralization during web page generation, allowing an attacker to inject malicious JavaScript that executes when other users view the affected content.

MitigationUpdate Essential Blocks for Gutenberg to the latest version (4.8.5 or higher) which contains the security patch. Until updated, restrict user permissions for creating/editing Gutenberg blocks to trusted administrative users only.

Verify against the referenced sources before acting — the references below are authoritative for this CVE, this summary is not.

Affected products & versions What the vendor confirmedThe version ranges the vendor confirmed as vulnerable. If your version sits inside a range here, treat yourself as exposed until you have upgraded.

NVD · CPE data
Essential BlocksWordPress extension
Affected:< 4.9.0

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
Required
Scope
Changed
Confidentiality
Low
Integrity
Low
Availability
None

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/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. Check Essential Blocks plugin version
    In WordPress admin, go to Plugins > Installed Plugins and locate 'Essential Blocks for Gutenberg'. The version number is displayed beneath the plugin name. Alternatively, inspect the file /wp-content/plugins/essential-blocks/readme.txt and look for the 'Stable tag:' entry.
    Affected if The installed version is listed as 4.8.4 or any version lower than 4.9.0
  2. Confirm Gutenberg editor is active
    Navigate to WordPress Settings > Writing (or check if the block editor is loading at /wp-admin/post-new.php). Essential Blocks only affects Gutenberg block rendering.
    Affected if Gutenberg block editor is enabled and being used to create or edit content
  3. Identify pages or posts using Essential Blocks
    Review your site's content for posts/pages created with the Gutenberg editor that include Essential Blocks. Use the WordPress block navigator or inspect page source for block class names containing 'essential-blocks'.
    Affected if Any content was created or edited using Essential Blocks while running a vulnerable version

You are affected if Essential Blocks for Gutenberg version is below 4.9.0 and Gutenberg blocks from this plugin have been used to create content on your site.

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
Upgrade available Upgrade to 4.9.0 or later
Fixed in 4.9.0
Interim mitigation

Update Essential Blocks for Gutenberg to the latest version (4.8.5 or higher) which contains the security patch. Until updated, restrict user permissions for creating/editing Gutenberg blocks to trusted administrative users only.

Recommended fix High confidence

Essential Blocks for Gutenberg 4.9.0

  1. 1. Backup your WordPress site database and files
  2. 2. Navigate to Plugins > Installed Plugins in the WordPress admin dashboard
  3. 3. Find Essential Blocks for Gutenberg in the plugin list
  4. 4. Click the Update Now link next to the plugin, or go to Plugins > Add New > Upload Plugin and upload version 4.9.0
  5. 5. Confirm the update completes successfully
  6. 6. Clear any caching plugins or server-side caches
  7. 7. Verify the plugin version shows 4.9.0 or later in the plugins list

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

Fix this in Essential Blocks Scoped from the published advisory
  • Consultation3.0 h
  • Implementation6.0 h
  • Testing4.0 h
  • Review / QA2.0 h
15.0 hours of engineering $2,640
Get the upgrade done

An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $4,224.

Scan for this in your stack

Free · runs locally
dbcve dependency scanner

Check whether your project pulls in CVE-2024-47385 — 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 sources

Practitioner notes

Contributed

Peer-ranked notes from engineers who’ve handled CVE-2024-47385 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