CVE-2024-3821
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 · uneditedThe wpDataTables – WordPress Data Table, Dynamic Tables & Table Charts Plugin plugin for WordPress is vulnerable to unauthorized access due to a missing capability check on several functions in the wdt_ajax_actions.php file in all versions up to, and including, 6.3.2. This makes it possible for unauthenticated attackers to manipulate data tables. Please note this only affects the premium version of the plugin.
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 wpDataTables premium plugin for WordPress lacks capability checks on AJAX functions in wdt_ajax_actions.php, allowing unauthenticated attackers to manipulate data tables. This is a broken access control vulnerability where AJAX endpoints do not verify user permissions before executing data modification operations.
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
- Low
- Integrity
- Low
- Availability
- Low
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/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 wpDataTables plugin is installedLog into WordPress admin dashboard and navigate to Plugins > Installed Plugins, or check the /wp-content/plugins/ directory for a folder containing 'wpdatatables'Affected if The wpDataTables plugin is present in the WordPress installation
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Identify installed wpDataTables versionIn WordPress admin, go to Plugins > Installed Plugins and find the version number listed for wpDataTables Premium; alternatively, check the main plugin file (such as wpdatatables.php) for the 'Version' header commentAffected if The installed version is lower than the version that includes the fix (compare your version to the known fixed release)
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Locate the vulnerable AJAX handler fileCheck for the presence of wdt_ajax_actions.php in the plugin directory, typically found at /wp-content/plugins/wpdatatables-premium/wdt_ajax_actions.php or similar pathAffected if The file wdt_ajax_actions.php exists in the plugin folder
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Test AJAX endpoint accessibilitySend a POST request to the AJAX endpoint (commonly /wp-admin/admin-ajax.php with action parameter related to wdt) without providing authentication credentials; check if the server returns a successful response rather than an authentication errorAffected if AJAX actions in wpDataTables execute without requiring user capability verification (unauthenticated requests succeed)
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Review server access logs for suspicious AJAX activityExamine web server access logs for POST requests to admin-ajax.php with wdt-related actions from unfamiliar IP addresses or patterns indicating automated toolsAffected if Unauthenticated external requests to wdt AJAX endpoints are present in logs
You are affected if wpDataTables Premium is installed, the vulnerable AJAX handler file exists, and unauthenticated users can successfully execute table manipulation operations through the AJAX interface.
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 the wpDataTables plugin to version 6.3.3 or later which includes proper capability checks on AJAX functions. If immediate update is unavailable, restrict access to the affected AJAX endpoints via server-side configuration or disable table manipulation features until patched.
- Consultation2.0 h
- Implementation3.0 h
- Testing2.0 h
- Review / QA1.0 h
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Free · runs locallyCheck whether your project pulls in CVE-2024-3821 — 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-2024-3821 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