CVE-2024-54426
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 crossfitatgg LeaderBoard Plugin leaderboard-lite allows Stored XSS.This issue affects LeaderBoard Plugin: from n/a through <= 1.2.4.
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 · high confidenceA CSRF vulnerability in the crossfitatgg LeaderBoard Plugin (versions <= 1.2.4) allows authenticated attackers to inject malicious JavaScript via Stored XSS. Attackers can craft malicious requests that trick administrators into submitting forms that store XSS payloads in the leaderboard data, which then executes when other users view the affected pages.
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
- Required
- Scope
- Changed
- Confidentiality
- Low
- Integrity
- Low
- Availability
- Low
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/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 the crossfitatgg LeaderBoard plugin is installedIn WordPress admin, go to Plugins > Installed Plugins and search for 'LeaderBoard' or 'crossfitatgg'. Alternatively, check the /wp-content/plugins/ directory for a folder containing 'leaderboard' or 'crossfitatgg' in the name.Affected if The plugin folder exists in the WordPress plugins directory.
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Determine the installed plugin versionIn WordPress admin, go to Plugins > Installed Plugins, find the LeaderBoard plugin, and read the version number displayed beneath the plugin name. Alternatively, check the main plugin PHP file for the 'Version' header in the plugin comments.Affected if The version number is 1.2.4 or lower.
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Inspect leaderboard data for suspicious stored contentAccess the front-end page where the leaderboard is displayed (typically created via the plugin shortcode). View the page source or inspect elements to see if any leaderboard entries contain script tags, event handlers (onclick, onerror, etc.), or unusual encoded characters that may indicate XSS payloads.Affected if Leaderboard entries contain unescaped HTML/JavaScript such as <script> tags, img onerror= attributes, or other XSS vectors.
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Examine form submissions for nonce protectionView the source of any form rendered by the plugin (such as submission forms). Look for a hidden input field named '_wpnonce' or 'nonce' and verify that WordPress nonce verification is implemented in the form handler code.Affected if Forms lack a WordPress nonce field, or the plugin does not verify nonces on form submission.
You are affected if the crossfitatgg LeaderBoard plugin is installed at version 1.2.4 or lower, and either your leaderboard data contains malicious scripts or the plugin forms lack WordPress nonce protection.
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 to the latest plugin version if available, or implement WordPress nonce verification on all forms and AJAX endpoints, combined with proper input sanitization and output encoding to prevent XSS execution.
- Consultation2.0 h
- Implementation4.0 h
- Testing2.0 h
- Review / QA1.0 h
An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $2,560.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2024-54426 — 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-2024-54426 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
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