CVE-2026-57340
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 · uneditedUnauthenticated Broken Access Control in Japanized For WooCommerce <= 2.9.12 versions.
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 confidenceThis is an unauthenticated broken access control vulnerability in the Japanized For WooCommerce plugin for WordPress/WooCommerce. Attackers can access restricted functionality without proper authentication, potentially allowing them to bypass authorization checks and interact with the WooCommerce system as an unauthorized user.
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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Confirm Japanized For WooCommerce is installedNavigate to WordPress admin > Plugins, or inspect the /wp-content/plugins/ directory for the 'for-woocommerce' or similar Japanized For WooCommerce plugin folderAffected if The plugin is present in the WordPress installation
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Identify the installed plugin versionCheck the plugin header in its main PHP file (e.g., for-woocommerce.php) for the 'Version' comment, or view the version in the WordPress Plugins admin pageAffected if The version number displayed is 2.9.12 or earlier
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Verify WordPress and WooCommerce are activeConfirm that both WordPress core and WooCommerce plugin are active and running in the environmentAffected if WordPress and WooCommerce are both active, as the vulnerability requires the plugin to be running within this environment
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Check for unauthenticated access to plugin endpointsInspect the plugin code for AJAX handlers or REST API endpoints that lack capability checks or nonce verification, particularly in files handling user data or order processingAffected if The plugin exposes functionality accessible without authentication (no require_auth or similar checks found)
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Confirm the vulnerable version is in useCompare your identified version against the affected range: versions 2.9.12 and earlier are vulnerable; version 2.9.13 and later contain the fixAffected if Your installed version is 2.9.12 or lower
You are affected if Japanized For WooCommerce is installed with version 2.9.12 or earlier, and the plugin exposes endpoints accessible without authentication.
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 dataUpdate Japanized For WooCommerce to a version newer than 2.9.12. If no patch is available, consider disabling the plugin until a fix is released, or implement additional access controls at the web server level to restrict unauthorized access to vulnerable endpoints.
- Consultation2.0 h
- Implementation1.0 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-2026-57340 — 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-2026-57340 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