CVE-2026-47100
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 · uneditedFunnel Builder for WooCommerce Checkout prior to 3.15.0.3 contains a missing authorization vulnerability in the public checkout endpoint that allows unauthenticated attackers to invoke internal methods and write arbitrary data to the plugin's External Scripts global setting. Attackers can inject malicious JavaScript through the External Scripts setting that executes in the browsers of all checkout page visitors.
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 Funnel Builder for WooCommerce Checkout plugin prior to 3.15.0.3 has a missing authorization vulnerability in its public checkout endpoint. Unauthenticated attackers can invoke internal methods and write arbitrary data to the plugin's External Scripts global setting, allowing injection of malicious JavaScript that executes in the browsers of all checkout page visitors.
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
- High
- Availability
- None
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/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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Confirm Funnel Builder for WooCommerce Checkout is installedNavigate to WordPress Admin > Plugins and locate 'Funnel Builder for WooCommerce Checkout' in the installed plugins list, or check the plugin header file (usually in wp-content/plugins/funnel-builder-for-woocommerce-checkout or similar path) for the Version headerAffected if The plugin is installed and the version is earlier than 3.15.0.3
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Locate the plugin version numberIn WordPress Admin > Plugins, click on the plugin to view details and read the Version field, or open the main plugin PHP file and search for 'Version:' in the plugin header commentAffected if The displayed version is below 3.15.0.3 (for example, 3.14.x, 3.13.x, etc.)
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Inspect the External Scripts global settingGo to the plugin settings area in WordPress Admin (typically under WooCommerce > Funnel Builder or a similar menu path) and locate the External Scripts or Custom Scripts field. View the page source or inspect the input to see if any script tags are present in the valueAffected if The External Scripts setting contains script tags with unfamiliar or suspicious URLs, especially if they were not added by your team
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Check WordPress options database for injected scriptsUse a database tool or WordPress plugin to query the wp_options table for any option_name containing 'external_script', 'custom_script', or 'funnel' related settings. Examine the option_value for any script tags, especially those using eval(), document.write(), or external domainsAffected if Any option value contains JavaScript that was not intentionally configured by administrators
Your environment is affected if the Funnel Builder for WooCommerce Checkout plugin is installed with a version lower than 3.15.0.3, or if the External Scripts setting contains unauthorized JavaScript code.
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.
dbcve · scopedUpdate to version 3.15.0.3 or later immediately. Additionally, audit the External Scripts setting for any existing malicious injections and clear browser caches for affected users.
Funnel Builder for WooCommerce Checkout version 3.15.0.3
- Update the Funnel Builder for WooCommerce Checkout plugin to version 3.15.0.3 or later via the WordPress plugin dashboard or wp-cli plugin update command
- Verify the update was successfully applied by checking the plugin version number
- If the site may have been compromised prior to patching, review and sanitize the plugin's External Scripts global settings to remove any injected malicious JavaScript code
Generated from the published advisory — verify against the referenced sources before acting.
- Consultation2.0 h
- Implementation3.0 h
- Testing2.0 h
- Review / QA1.0 h
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Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2026-47100 — 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-2026-47100 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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- 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