Learning Management SystemWordPress extension · Cluevo
CVE-2023-40607
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 · uneditedCross-Site Request Forgery (CSRF) vulnerability in CLUEVO CLUEVO LMS, E-Learning Platform plugin <= 1.10.0 versions.
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 Cross-Site Request Forgery (CSRF) vulnerability exists in the CLUEVO LMS WordPress plugin versions 1.10.0 and below. The flaw allows attackers to trick authenticated users into unknowingly executing unwanted actions (such as modifying e-learning content, user data, or administrative settings) by crafting malicious requests that the victim's browser sends to the vulnerable site.
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
Learning Management SystemWordPress extension
<= 1.11.0CVSS 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
- Required
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- High
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
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 Cluevo LMS plugin is installedIn WordPress admin, go to Plugins > Installed Plugins and look for 'Cluevo Learning Management System' or check the wp-content/plugins/ directory for the cluevo folderAffected if The Cluevo LMS plugin is present and active in the WordPress installation
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Check installed plugin versionNavigate to Plugins > Installed Plugins > Cluevo Learning Management System and read the version number displayed below the plugin name, or inspect the main plugin file header in wp-content/plugins/cluevo/includes/cluevo.php for the 'Version' fieldAffected if The installed version is 1.11.0 or lower
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Inspect plugin forms for missing nonce fieldsExamine PHP files in wp-content/plugins/cluevo/ directory, specifically looking at form submissions (files containing $_POST, $_REQUEST) and search for absence of 'wp_nonce_field', 'wp_create_nonce', or 'wp_verify_nonce' function callsAffected if Forms or AJAX handlers in the plugin code do not contain nonce validation logic
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Check AJAX action handlers for CSRF protectionSearch plugin files for 'add_action' calls registering AJAX handlers (look for 'wp_ajax_' hooks) and verify each handler calls wp_verify_nonce or check_ajax_referer before processing requestsAffected if AJAX action handlers lack nonce verification calls before processing user requests
If the Cluevo LMS plugin version 1.11.0 or lower is installed and active, and the plugin code lacks nonce validation on state-changing forms or AJAX actions, the environment is vulnerable to CVE-2023-40607.
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 dataImplement WordPress nonces (CSRF tokens) on all state-changing forms and AJAX actions within the plugin, and validate these nonces server-side before processing any requests. Update to version 1.10.1 or later if a patched version is available.
Fix this in Learning Management System
Scoped from the published advisory
- Consultation2.0 h
- Implementation4.0 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 $3,088.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2023-40607 — 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-2023-40607 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