dbcve.org
Missing AuthorizationWeakness · CWE-862

CVE-2026-40776

HIGH · 7.5 CVSS v3.1 Published 2026-06-15
Mitigation only
No fix yet — a mitigation exists. There is no fixed release. A documented workaround reduces exposure in the meantime.
See remediation →
84/100
Remediation priority · High
Remotely reachable No privileges Zero-click

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 · unedited
Unauthenticated Broken Access Control in WP Event SOlution <= 4.1.8 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 confidence

Unauthenticated broken access control vulnerability in the WP Event Solution WordPress plugin version 4.1.8 and below allows remote attackers to access functionality or data without proper authorization, likely due to missing capability checks on sensitive AJAX actions or admin pages.

MitigationUpdate WP Event Solution plugin to a version newer than 4.1.8 to patch the broken access control vulnerability.

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
High
Integrity
None
Availability
None

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/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 checks

Work through these to decide whether this CVE applies to you.

  1. Verify WP Event Solution plugin is installed
    Check the WordPress plugins directory at wp-content/plugins/ for a folder named 'event-solution' or view the installed plugins list in WordPress admin under Plugins
    Affected if The plugin folder 'event-solution' exists in the WordPress plugins directory
  2. Identify the installed version number
    Open the main plugin file (wp-content/plugins/event-solution/event-solution.php) and locate the 'Version:' header in the plugin comment block, or view the version column on the WordPress admin Plugins page
    Affected if The version number retrieved is 4.1.8 or lower (e.g., 4.1.8, 4.1.7, 4.1.6, etc.)
  3. Confirm the vulnerability is present
    No additional configuration check needed - this is an unauthenticated broken access control issue caused by missing capability checks on AJAX actions. If the plugin is installed at a vulnerable version, the vulnerability exists regardless of settings
    Affected if Plugin version is 4.1.8 or below

If the WP Event Solution plugin is installed and its version is 4.1.8 or lower, the environment is affected by this unauthenticated broken access control vulnerability.

Generated from the published advisory. Verify against your own configuration.

Check your environment

Paste your version and any relevant configuration and it will be compared against the affected criteria above. Do not include secrets or credentials.

AI-assisted, checked against the advisory. Informational, not a guarantee.

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 data
Mitigation available No clean upgrade yet — mitigate in the meantime
Mitigation

Update WP Event Solution plugin to a version newer than 4.1.8 to patch the broken access control vulnerability.

Have this fixed Scoped from the published advisory
  • Consultation1.0 h
  • Implementation1.0 h
  • Testing2.0 h
  • Review / QA1.0 h
5.0 hours of engineering $860
Get help mitigating

An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $1,376.

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References Go to the primary sourcePrimary sources — vendor advisories, patches and trackers. Where our summary and a reference disagree, the reference wins.

Primary sources

Practitioner notes

Contributed

Peer-ranked notes from engineers who’ve handled CVE-2026-40776 in production — separate from our analysis above.

No notes yet

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What this is

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.

What belongs here
  • 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