CVE-2025-24636
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 Rick Laymance MachForm Shortcode machform-shortcode allows Stored XSS.This issue affects MachForm Shortcode: from n/a through <= 1.4.1.
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 · high confidenceCSRF vulnerability in MachForm Shortcode allows authenticated attackers to inject malicious scripts via stored XSS. An attacker can trick a logged-in user into submitting a crafted form request that stores malicious JavaScript payloads, which then execute when other users view the affected form.
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 MachForm installation and versionCheck your web server for MachForm installation directories (typically /machform, /form, or similar). Look for version.php, version.txt, or check the admin dashboard for the installed version number.Affected if MachForm is installed and the version is within the affected range (if known) or cannot be determined to be patched.
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Locate shortcode functionalitySearch your codebase for shortcode handlers, particularly files named similar to shortcode.php, form_shortcode.php, or containing 'add_shortcode' functions related to MachForm.Affected if Shortcode functionality is present and handles form submissions without proper validation.
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Inspect form submission handlers for CSRF protectionExamine the form processing code (typically in submission handler files) for anti-CSRF tokens, nonces, or referrer validation. Look for functions like wp_verify_nonce, check_ajax_referer, or custom token validation.Affected if Form submission handlers lack CSRF token validation or nonce checks.
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Check form data rendering for output encodingInspect how form entries and shortcode output are rendered in view-entry.php, form_shortcode.php, or similar display files. Look for proper escaping functions (htmlspecialchars, esc_html, esc_attr) when outputting user-submitted data.Affected if User-submitted form data is rendered without proper output encoding, allowing stored scripts to execute.
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Audit stored form data for malicious payloadsQuery your database (MachForm tables, typically ap_form_* tables) for suspicious patterns in form submissions: <script, javascript:, onload=, onerror=, event handlers, or encoded/obfuscated JavaScript.Affected if Form entries contain malicious JavaScript payloads that could execute when viewed by other users.
A user is affected if MachForm with shortcode functionality is installed, form submission handlers lack CSRF protection, and user-submitted data is rendered without proper output encoding, allowing stored XSS execution.
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 token validation (nonce) in all form submissions and ensure proper output encoding when rendering form data to prevent stored XSS execution.
- Consultation3.0 h
- Implementation6.0 h
- Testing3.0 h
- Review / QA2.0 h
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Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2025-24636 — 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-2025-24636 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
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