CVE-2025-67576
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 QuantumCloud Simple Link Directory simple-link-directory allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Simple Link Directory: from n/a through <= 8.8.3.
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 confidenceThis is a Missing Authorization vulnerability in the QuantumCloud Simple Link Directory WordPress plugin. The plugin fails to properly enforce authorization checks on certain functions or pages, allowing attackers to exploit incorrectly configured access control security levels to perform actions they should not be permitted 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
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- Low
- Integrity
- None
- Availability
- None
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
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 Simple Link Directory plugin is installedIn WordPress admin, go to Plugins > Instored Plugins and look for 'Simple Link Directory' by QuantumCloud, or check the plugin files in /wp-content/plugins/simple-link-directory/ for a version.php or readme.txt file containing the version numberAffected if Plugin is installed and active
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Determine installed plugin versionOpen the plugin's main file (usually simple-link-directory.php) or readme.txt and locate the version comment header, or query the WordPress database: SELECT option_value FROM wp_options WHERE option_name LIKE '%simple_link_directory%version%'Affected if Version cannot be determined or is earlier than the patched version
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Identify exposed admin functionsInspect plugin source code in /wp-content/plugins/simple-link-directory/ for functions handling data creation, modification, or deletion (typically AJAX handlers, form processors, or admin pages) that lack capability checks (current_user_can, wp_verify_nonce) or are accessible without authenticationAffected if Sensitive functions are accessible to users lacking proper WordPress capabilities (e.g., subscriber-level users can access admin-only functions)
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Test for unauthorized accessIf you have access to a low-privilege user account (e.g., subscriber), attempt to access direct admin URLs or AJAX endpoints used by the plugin (check plugin code for admin.php, admin-ajax.php references) without proper authorization tokensAffected if Low-privilege users can access plugin admin functions or modify plugin data without restriction
Your environment is affected if the Simple Link Directory plugin is installed and exposes admin functions or sensitive operations without proper capability checks or nonce verification, regardless of specific version.
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 the Simple Link Directory plugin to the latest version which should contain proper authorization checks. Alternatively, review the plugin code to identify and add appropriate capability checks and nonce verification on all sensitive functions and admin pages.
- 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-2025-67576 — 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-2025-67576 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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