CVE-2024-31434
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 · uneditedCross-Site Request Forgery (CSRF) vulnerability in Stefano Lissa & The Newsletter Team Newsletter.This issue affects Newsletter: from n/a through 8.0.6.
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 confidenceCross-Site Request Forgery (CSRF) vulnerability in the Newsletter WordPress plugin allows attackers to trick authenticated administrators into performing unintended actions (such as modifying newsletter settings or sending emails) by forcing their browsers to execute malicious requests.
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
- Required
- Scope
- Unchanged
- Confidentiality
- None
- Integrity
- Low
- Availability
- Low
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/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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Identify Newsletter plugin installationIn WordPress admin, go to Plugins > Installed Plugins and locate the Newsletter plugin. Note its version number from the plugin details.Affected if The Newsletter plugin is installed and the installed version falls within the vulnerable version range (if known) or lacks CSRF protections.
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Locate state-changing form handlersInspect the plugin's PHP files (typically in wp-content/plugins/newsletter) for form handlers that process admin actions such as saving settings, sending emails, or modifying newsletter configurations.Affected if Forms that modify plugin settings or send emails lack proper action handlers with security validations.
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Verify nonce token validation existsSearch the plugin's form handling code for wp_nonce_field, wp_verify_nonce, or check_admin_referer functions. These should be present on all forms that perform state-changing operations.Affected if State-changing forms (settings saves, email sends, subscriber management) do not include nonce token validation.
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Confirm Origin/Referer header validationReview the plugin's request validation logic to see if $_SERVER['HTTP_ORIGIN'] or $_SERVER['HTTP_REFERER'] is checked before processing admin actions.Affected if The plugin does not validate that requests originate from legitimate WordPress admin pages.
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Test form submission without tokenUsing a browser or HTTP tool, attempt to submit a form action (like saving newsletter settings) without including a valid nonce token to see if the action processes successfully.Affected if The action completes successfully without a valid CSRF token, confirming the vulnerability.
You are affected if the Newsletter plugin is installed and its forms handling administrative actions (settings changes, email sending) lack nonce validation and Origin/Referer header checks.
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 anti-CSRF tokens (nonce validation) on state-changing forms and validate the Origin/Referer headers to ensure requests originate from legitimate sources.
- Consultation2.0 h
- Implementation4.0 h
- Testing2.0 h
- Review / QA1.0 h
An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $2,560.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2024-31434 — 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-2024-31434 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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- 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