CVE-2024-53727
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 Lars Koudal LinkLaunder SEO linklaunder-seo-plugin allows Stored XSS.This issue affects LinkLaunder SEO: from n/a through <= 0.92.1.
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 confidenceCross-Site Request Forgery (CSRF) vulnerability in the LinkLaunder SEO WordPress plugin allows unauthenticated or authenticated attackers to craft malicious requests that trick administrators into unknowingly submitting data that results in Stored XSS. The absence of anti-CSRF tokens enables attackers to inject persistent malicious scripts into the plugin's settings or link management functions.
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 LinkLaunder SEO plugin is installedIn WordPress admin, go to Plugins > Installed Plugins and locate LinkLaunder SEO in the list. Note the installed version number displayed there.Affected if The plugin is installed and active.
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Check plugin version against affected rangeCompare the installed version number with any known affected versions. Consult the WordPress plugin repository or vendor advisories for version-specific vulnerability details.Affected if The installed version falls within an affected, unpatched version range.
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Inspect plugin forms for nonce fieldsExamine the plugin PHP files that handle form submissions (typically in admin/settings pages or link management sections). Look for the presence of wp_nonce_field, check_admin_referer, or wp_verify_nonce function calls in form handlers.Affected if Form handling code lacks nonce verification, meaning no _wpnonce or similar token field is present in HTML forms.
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Review plugin source for nonce validationSearch plugin source files for 'wp_nonce' or 'check_admin_referer' usage. Check POST/GET request handlers that modify plugin settings or link data.Affected if State-changing operations (saving settings, adding/modifying links) do not validate anti-CSRF tokens.
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Examine stored data for malicious scriptsIn WordPress database, inspect tables where plugin stores settings or link data (often wp_options or custom tables). Look for unescaped HTML, script tags, or event handlers in stored values.Affected if Persistent XSS payloads exist in plugin-stored data, indicating successful exploitation.
A user is affected if the LinkLaunder SEO plugin is active, lacks nonce verification on its forms, and potentially contains injected malicious scripts in stored settings or link data.
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 anti-CSRF tokens (nonces) on all state-changing form actions and admin pages, and apply proper output encoding and input sanitization to prevent stored XSS. Update to a patched version if available.
- Consultation3.0 h
- Implementation6.0 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 $3,984.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2024-53727 — 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-2024-53727 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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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.
- 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