CVE-2026-39593
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 · uneditedMissing Authorization vulnerability in VillaTheme HAPPY allows Exploiting Incorrectly Configured Access Control Security Levels. This issue affects HAPPY: from n/a through 1.0.10.
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 confidenceMissing Authorization vulnerability in VillaTheme HAPPY allows attackers to exploit incorrectly configured access control security levels, enabling unauthorized access to certain functionality or data due to improper authorization checks in the affected product.
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
- None
- Scope
- Unchanged
- Confidentiality
- None
- Integrity
- Low
- Availability
- Low
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/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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Identify if HAPPY plugin is installedLocate the VillaTheme HAPPY plugin directory in your WordPress installation (typically in wp-content/plugins/ or within a theme folder). Check for a folder named 'happy' or similar.Affected if The plugin directory exists on the server.
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Determine installed versionOpen the main plugin file (often named happy.php or plugin.php) and locate the version declaration (commonly 'Version: x.x.x' in the file header or in a readme.txt file within the plugin folder).Affected if The version is 1.0.10 or lower.
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Identify plugin access control configurationSearch the plugin files for capability checks, current_user_can() calls, or permission verification functions. Look for PHP files handling AJAX endpoints, admin pages, or public-facing functionality that may lack authorization checks.Affected if No capability checks or role verifications are found before sensitive operations.
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Test for unauthorized access to admin functionsIf you have access to the site, attempt to access plugin admin pages or functions directly via URL without logging in or with a low-privilege account. Check HTTP responses for 200 OK versus 403/401 errors.Affected if Sensitive plugin pages or functions return 200 OK without requiring proper authentication or admin privileges.
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Inspect AJAX and API endpointsExamine the plugin for registered AJAX actions (wp_ajax_*) or REST API routes. Verify whether these endpoints validate user capabilities before executing sensitive operations.Affected if AJAX or API endpoints execute privileged actions without verifying user authorization.
You are affected if the HAPPY plugin version is 1.0.10 or lower AND sensitive functionality can be accessed without proper authorization checks.
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 authorization validation checks across all sensitive endpoints and functions, ensuring access control rules are correctly configured and enforced for all user roles.
- Consultation2.0 h
- Implementation8.0 h
- Testing4.0 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 $4,480.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2026-39593 — 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-2026-39593 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