CVE-2026-24391
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 · uneditedImproper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in ThemeMakers Car Dealer cardealer allows Reflected XSS.This issue affects Car Dealer: from n/a through <= 1.6.7.
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 confidenceReflected XSS vulnerability in the ThemeMakers Car Dealer WordPress theme allows attackers to inject malicious JavaScript code via unsanitized user input that gets reflected back in web page responses. The vulnerability exists in versions up to and including 1.6.7.
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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Locate the Car Dealer theme installation directoryAccess your WordPress site via FTP or file manager and navigate to wp-content/themes/ and look for a folder named 'car-dealer', 'cars-dealer', or similar theme directory from ThemeMakersAffected if The Car Dealer theme folder exists in the WordPress themes directory
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Determine the installed theme versionOpen the theme's style.css file (usually in the theme root) and locate the 'Version:' header in the CSS comment block at the top of the fileAffected if The reported version number is 1.6.7 or lower (for example: 1.6.7, 1.6.6, 1.5.0, etc.)
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Verify the theme is active on the WordPress siteLog into WordPress admin panel, go to Appearance > Themes, and confirm the Car Dealer theme is currently activatedAffected if The Car Dealer theme shows as active on the site
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Inspect theme templates for reflected user inputReview PHP files in the theme folder (particularly header.php, footer.php, and template files that handle query parameters) for code patterns where $_GET, $_POST, or $_REQUEST variables are echoed directly without sanitization functions like esc_html(), esc_attr(), or esc_url()Affected if You find echo statements that output request parameters without using WordPress escaping functions
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Check for unsanitized URL parameters in page responsesVisit your site using a test URL with a parameter like ?test=<script>alert(1)</script> and view the page source to see if the script tag appears unescaped in the HTML responseAffected if The malicious script tag renders as plain text in the page source (visible but not executed) or executes in the browser, indicating the input is not being properly escaped
Your environment is affected if the ThemeMakers Car Dealer WordPress theme is installed, active, and running version 1.6.7 or lower, with unsanitized user input reflected in page responses.
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 proper input validation and output encoding/escaping on all user-supplied parameters before reflecting them in HTML responses. Consider adding a Content Security Policy (CSP) header as defense-in-depth.
- Consultation2.0 h
- Implementation3.0 h
- Testing2.0 h
- Review / QA1.0 h
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Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2026-24391 — 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-2026-24391 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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