CVE-2026-57721
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 WP Reloaded ApplyOnline allows Exploiting Incorrectly Configured Access Control Security Levels. This issue affects ApplyOnline: from n/a through 2.6.7.6.
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 the WordPress plugin ApplyOnline allows authenticated attackers to access functionality or data beyond their intended privilege level due to incorrectly configured access control security levels. This is a broken access control (OWASP A01:2021) issue where the plugin fails to properly verify user permissions before executing sensitive operations.
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
- None
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/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 ApplyOnline plugin is installedIn WordPress admin, go to Plugins > Installed Plugins and look for 'ApplyOnline' or check wp-content/plugins/ directory for apply-online folderAffected if The ApplyOnline plugin is present and active in the WordPress installation
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Check installed plugin versionIn WordPress admin Plugins list, find ApplyOnline and note the version number displayed, or read the main plugin PHP file header for 'Version:' tagAffected if The installed version is older than the version containing the authorization fix (compare against vendor release notes if available)
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Inspect plugin for missing capability checksSearch plugin PHP files for sensitive function definitions (like those handling submissions, settings, or user data) and verify they include current_user_can() or similar authorization checks at the function startAffected if Sensitive functions lack proper capability verification before executing privileged operations
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Test low-privilege user accessCreate or use a subscriber-level account and attempt to access ApplyOnline admin pages directly via URL or use browser developer tools to invoke AJAX actions meant for administratorsAffected if Low-privilege users can access admin functionality, view/edit submissions, or modify plugin settings without proper authorization
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Review user role and capability assignmentsCheck WordPress Users > Roles and Capabilities screen and verify that ApplyOnline does not improperly assign administrator-capable actions to lower rolesAffected if Non-admin users have capabilities that should be restricted to administrators
If ApplyOnline plugin is installed and sensitive functions lack authorization checks, the environment is vulnerable to privilege escalation by authenticated users.
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 ApplyOnline plugin to the latest version which should contain proper authorization checks. If no update is available, audit the plugin's access control implementation and add capability checks (current_user_can()) to all admin and user-facing functions that handle sensitive data or configuration.
- 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.
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Free · runs locallyCheck whether your project pulls in CVE-2026-57721 — 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-2026-57721 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