CVE-2025-31923
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 QuanticaLabs CSS3 Accordions for WordPress css3_accordions allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects CSS3 Accordions for WordPress: from n/a through <= 3.0.
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 confidenceThe CSS3 Accordions for WordPress plugin has a missing authorization vulnerability where certain functions or AJAX endpoints lack proper capability checks, allowing authenticated users (with subscriber-level access or higher) to perform actions they should not be authorized to perform.
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
- Low
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- None
- Integrity
- Low
- Availability
- Low
CVSS:3.1/AV:N/AC:L/PR:L/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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Verify the CSS3 Accordions plugin is installedIn the WordPress admin dashboard, navigate to Plugins > Installed Plugins and look for 'CSS3 Accordions' or check the wp-content/plugins directory for a folder named 'css3-accordion' or similarAffected if The plugin is installed and active
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Determine the installed plugin versionIn WordPress admin, go to Plugins > Installed Plugins and click on the plugin to view its version number, or inspect the plugin's main PHP file header for the 'Version' tagAffected if The installed version matches or falls within an affected range (compare to any published advisory versions)
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Identify accessible AJAX endpointsSearch the plugin directory for 'add_action' calls with 'wp_ajax_' or 'wp_ajax_nopriv_' hooks, and check if these endpoints perform sensitive operations without capability checksAffected if AJAX endpoints exist that handle sensitive operations and do not verify user capabilities
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Review capability checks in plugin functionsExamine the plugin's PHP files for the presence of 'current_user_can()' or similar authorization checks before performing sensitive operations, particularly in admin functions and AJAX handlersAffected if Sensitive functions lack proper capability verification using current_user_can() or equivalent
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Test low-privilege user accessCreate or use a WordPress user with Subscriber role (the lowest privilege level) and attempt to access suspected AJAX endpoints or admin functions that should require higher privilegesAffected if A user with Subscriber-level access can successfully perform actions that should require higher privileges
A user is affected if the CSS3 Accordions plugin is installed, an authenticated user with Subscriber-level access can trigger unaudited AJAX endpoints or functions, and the plugin lacks proper capability checks on sensitive operations.
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 dataAdd proper WordPress capability checks (using current_user_can()) and nonce verification to all sensitive AJAX handlers and admin functions in the plugin.
- Consultation4.0 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 $5,120.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2025-31923 — 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-2025-31923 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
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