CVE-2025-23963
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 flymke Mark Posts mark-posts allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Mark Posts: from n/a through <= 2.2.4.
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 Mark Posts plugin for WordPress has a missing authorization vulnerability allowing authenticated users to mark posts they should not have access to modify. The plugin fails to properly verify that the current user has permission to perform the mark action on the targeted post, allowing privilege escalation through incorrectly configured access control.
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 Mark Posts plugin is installedIn WordPress admin, go to Plugins > Installed Plugins and look for 'Mark Posts' or 'mark-posts' in the plugin list. Alternatively, check the /wp-content/plugins/ directory for a folder named 'mark-posts' or similar.Affected if The Mark Posts plugin is installed and active on the WordPress site.
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Determine installed plugin versionIn the Plugins list in WordPress admin, click on the plugin name to view details, or check the plugin's main PHP file header for the 'Version' tag. Compare this version to any officially listed affected versions.Affected if The installed version falls within the range of vulnerable versions if such ranges have been published.
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Confirm authenticated user access to mark functionalityUsing a low-privilege authenticated user account (subscriber or contributor role), attempt to access and use the mark post feature via the plugin's frontend interface or AJAX endpoint. Check if the request succeeds without proper authorization errors.Affected if Authenticated users without proper post ownership or edit permissions can successfully mark posts they do not own.
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Inspect plugin for capability checksExamine the plugin's PHP code, specifically the handler function for the mark-post action. Look for function calls like current_user_can(), check_admin_referer(), or wp_verify_nonce() before allowing the mark operation on a post.Affected if The plugin code lacks proper capability checks or nonce verification before allowing users to mark posts.
A user is affected if the Mark Posts plugin is installed, the installed version is within the vulnerable range, and the plugin allows any authenticated user to mark posts without verifying they have edit permissions for those specific posts.
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 capability checks and object-level authorization validation before executing any mark-post action, ensuring users can only modify posts they own or have appropriate permissions for.
- Consultation3.0 h
- Implementation4.0 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 $3,408.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2025-23963 — 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-2025-23963 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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