CVE-2025-66143
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 merkulove Crumber crumber-elementor allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Crumber: from n/a through <= 1.0.10.
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 Crumber Elementor plugin has a missing authorization vulnerability where the plugin fails to properly validate user permissions before allowing access to certain functionality. This appears to be due to incorrectly configured access control security levels that permit unauthorized users to perform actions they should not have access to.
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 Crumber Elementor plugin is installedAccess WordPress admin panel, navigate to Plugins > Installed Plugins, and look for 'Crumber Elementor' in the list. Alternatively, check the wp-content/plugins directory for a folder named 'crumber-elementor' or similar.Affected if The plugin appears in the installed plugins list regardless of activation status
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Identify the installed version numberIn WordPress admin, find the Crumber Elementor plugin entry and locate the version number displayed beneath the plugin name. If not visible in admin, check the plugin's main PHP file for a 'Version' header comment in the file metadata.Affected if No version information is available or the version cannot be determined from plugin files or repository
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Test for authorization bypass on plugin functionsAttempt to access plugin functionality or admin pages while logged in as a subscriber-level or non-administrator user. Check if the plugin allows actions that should require administrator privileges, such as modifying plugin settings, accessing admin pages, or executing protected functions.Affected if Lower-privileged users (subscriber, contributor, or unauthenticated) can access or execute functionality that should be restricted to administrators only
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Inspect plugin capabilities configurationExamine the plugin source code for capability checks. Look for function calls that verify user capabilities using current_user_can() or similar WordPress permission functions. Check if these checks are present before sensitive operations.Affected if Plugin source code lacks capability checks before sensitive operations, or checks are inconsistently applied across different functions
A user is affected if the Crumber Elementor plugin is installed and allows unauthorized users to access restricted functionality without proper capability validation.
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 capability checks and authorization validation to all user-accessible functions within the plugin, ensuring that only users with appropriate permissions can access sensitive functionality.
- 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-2025-66143 — 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-2025-66143 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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