CVE-2024-51642
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 ivan9146 Seo Free seo-free allows Stored XSS.This issue affects Seo Free: from n/a through <= 1.4.
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 · moderate confidenceCross-Site Request Forgery (CSRF) vulnerability in the Seo Free WordPress plugin (versions <= 1.4) allows remote attackers to inject malicious JavaScript code via stored XSS by tricking authenticated administrators into visiting attacker-controlled pages or clicking malicious links.
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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Identify if Seo Free plugin is installedGo to WordPress admin dashboard > Plugins > Installed Plugins and look for 'Seo Free' or search for it in the plugins listAffected if The Seo Free plugin appears in the installed plugins list
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Check the installed version of Seo Free pluginIn the Plugins list, find Seo Free and note the version number displayed under the plugin name, or check the plugin's main PHP file header for the Version fieldAffected if The installed version is 1.4 or lower (1.4, 1.3, 1.2, 1.1, 1.0, or any version <= 1.4)
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Inspect plugin source code for nonce validationAccess the plugin files via File Manager or FTP, then examine the main plugin PHP file(s) for form handlers and AJAX callback functions; search for presence of 'wp_verify_nonce' or 'check_admin_referer' function callsAffected if State-changing forms or AJAX actions in the plugin lack nonce verification (no nonce check found before processing user input)
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Inspect plugin for stored input sanitizationExamine the same plugin PHP files for how user input is handled when saved to the database; look for functions like 'sanitize_text_field', 'esc_html', or 'esc_attr' applied to user-supplied values before storageAffected if User input from forms is stored in the database without proper sanitization (no sanitization functions found before saving)
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Check for stored XSS vulnerabilities in plugin settingsIn the WordPress admin, navigate to the Seo Free plugin settings page if accessible; examine any input fields or options that the plugin provides and determine if entered values are output without escaping when viewedAffected if Plugin settings fields store and display user input without HTML/entity escaping, allowing stored XSS
You are affected if the Seo Free plugin is installed with version 1.4 or lower AND the plugin lacks nonce validation on its forms/AJAX actions AND stores user input without sanitization.
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 (anti-CSRF tokens) on all state-changing forms and AJAX actions within the plugin, and validate the nonce before processing any user input that gets stored.
- Consultation2.0 h
- Implementation4.0 h
- Testing3.0 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 $2,800.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2024-51642 — 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-2024-51642 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