CVE-2026-39634
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 ThemeGoods Grand Portfolio grandportfolio allows Cross Site Request Forgery.This issue affects Grand Portfolio: from n/a through <= 3.3.
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 Grand Portfolio theme allows attackers to trick authenticated users into performing unintended actions such as modifying settings or content. The theme lacks proper anti-CSRF token validation on state-changing requests, enabling malicious actors to forge requests on behalf of victims.
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
- Unchanged
- Confidentiality
- None
- Integrity
- Low
- Availability
- Low
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/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 Grand Portfolio theme is installedNavigate to Appearance > Themes in WordPress admin dashboard and confirm the ThemeGoods Grand Portfolio theme is activeAffected if The theme is active in the WordPress installation
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Identify installed theme versionCheck the style.css file in the theme directory (wp-content/themes/grand-portfolio/style.css) for the version header, or view theme details in WordPress admin under Appearance > ThemesAffected if Version cannot be determined or matches the vulnerable version range (check ThemeGoods releases for patch history)
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Inspect theme PHP files for nonce validationExamine theme files (particularly in includes/ and functions/ directories) for presence of wp_verify_nonce, check_admin_referer, or nonce_field function calls on form handling and AJAX actionsAffected if No nonce validation functions are found in files handling state-changing operations like settings saves, post updates, or user actions
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Review form templates for nonce fieldsLocate PHP template files that generate forms (search for <form tags) and verify each contains a wp_nonce_field or similar nonce generation callAffected if Forms lack hidden nonce fields or nonces are missing from sensitive action forms (options, settings, user submissions)
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Check AJAX handlers for nonce verificationSearch theme AJAX action handlers (grep for add_action("wp_ajax_) and verify each calls wp_verify_nonce or check_ajax_referer before processing requestsAffected if AJAX endpoints do not verify nonce tokens before executing state-changing operations
If the ThemeGoods Grand Portfolio theme is active and its code lacks proper nonce validation on forms and AJAX handlers, the environment is vulnerable to CVE-2026-39634 CSRF attacks.
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 form submissions and AJAX endpoints within the theme, and validate these tokens server-side before processing any state-changing requests.
- 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-2026-39634 — 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-2026-39634 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
- No spam, self-promotion, credentials, or personal data