CVE-2023-41664
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 AlphaBPO Easy Newsletter Signups allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Easy Newsletter Signups: from n/a through 1.0.4.
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 confidenceA missing authorization vulnerability in AlphaBPO Easy Newsletter Signups plugin up to version 1.0.4 allows attackers to exploit incorrectly configured access control security levels. The plugin fails to properly validate user permissions before allowing access to certain functionality, potentially enabling unauthorized users to access or manipulate newsletter signup data.
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
- Low
- Availability
- None
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/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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Locate the AlphaBPO Easy Newsletter Signups pluginAccess your WordPress site's wp-content/plugins directory and search for a folder named 'easy-newsletter-signups' or similar alphaBPO-related plugin folderAffected if The plugin folder exists on the server
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Identify the installed plugin versionCheck the main plugin PHP file (usually named index.php or the plugin's primary file) for the 'Version' header in the plugin comment block, or check the WordPress plugin admin page for the installed versionAffected if The reported version is 1.0.4 or earlier (no patch version is listed, so assume any version up to and including 1.0.4 is affected)
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Verify administrative functionality exposureReview the plugin's PHP files for AJAX handlers, admin pages, or callback functions that handle newsletter data. Look for missing 'current_user_can()' or capability checks before sensitive operationsAffected if Plugin files contain functions that process newsletter signups without capability checks or permission validation
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Test access control on plugin endpointsIf you have a test environment, attempt to access plugin URLs (such as admin-ajax.php?action=enewsletter_* or dedicated plugin pages) using a low-privilege user account (subscriber or no role) without logged-in administrative sessionAffected if A non-administrative user can successfully access or execute plugin functions that should require admin privileges
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Inspect plugin registration and hooksExamine the plugin's main file for add_action and add_filter calls. Identify any public-facing hooks (wp_ajax_nopriv_*, wp_ajax_* for frontend) that handle signup data without verifying user capabilitiesAffected if The plugin registers AJAX hooks with 'nopriv' prefix or exposes public-facing functionality without authorization checks
Your environment is affected if the AlphaBPO Easy Newsletter Signups plugin is installed with any version up to 1.0.4 and lacks proper capability checks on its sensitive functions or administrative endpoints.
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 to a patched version of the plugin if available; otherwise, implement proper authorization checks on all sensitive plugin functions and administrative endpoints.
- Consultation4.0 h
- Implementation6.0 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 $4,544.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2023-41664 — 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-2023-41664 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