dbcve.org
Notice BarWordPress extension · Wensolutions

CVE-2023-41847

MEDIUM · 5.4 CVSS v3.1 Published 2023-10-02
Fix available
A fix is available. Upgrade to after 3.1.0 or later.
See remediation →
58/100
Remediation priority · Elevated
Remotely reachable

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
Auth. (contributor+) Stored Cross-Site Scripting (XSS) vulnerability in WEN Solutions Notice Bar plugin <= 3.1.0 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 · high confidence

A stored Cross-Site Scripting (XSS) vulnerability in the WEN Solutions Notice Bar WordPress plugin (versions 3.1.0 and below) allows authenticated users with contributor-level permissions or higher to inject malicious JavaScript code through plugin settings, which then executes in the browsers of other users viewing affected pages.

MitigationUpdate the WEN Solutions Notice Bar plugin to the latest available version (newer than 3.1.0) to remediate the vulnerability.

Verify against the referenced sources before acting — the references below are authoritative for this CVE, this summary is not.

Affected products & versions What the vendor confirmedThe version ranges the vendor confirmed as vulnerable. If your version sits inside a range here, treat yourself as exposed until you have upgraded.

NVD · CPE data
Notice BarWordPress extension
Affected:<= 3.1.0

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
Required
Scope
Changed
Confidentiality
Low
Integrity
Low
Availability
None

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

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

  1. Confirm WEN Solutions Notice Bar plugin is installed
    Navigate to WordPress admin dashboard > Plugins > Installed Plugins and look for 'WEN Solutions Notice Bar' or check the plugins directory via FTP/file manager for /wp-content/plugins/
    Affected if The plugin is present in the plugins directory
  2. Check installed plugin version
    In WordPress admin, go to Plugins > Installed Plugins > WEN Solutions Notice Bar and read the version number displayed beneath the plugin name, or open the main plugin file (usually notice-bar.php) and look for the 'Version' header in the plugin comments
    Affected if Version is 3.1.0 or lower (e.g., 3.1.0, 3.0.9, etc.)
  3. Access plugin Notice Bar settings
    In WordPress admin, locate the Notice Bar settings panel (typically under Settings > Notice Bar or a dedicated Notice Bar menu item) and examine the content fields where message text or custom code can be entered
    Affected if Settings page is accessible and contains input fields for Notice Bar message content, buttons, or custom code
  4. Inspect stored Notice Bar configuration in database
    Access the WordPress database via phpMyAdmin or command line and query the wp_options table (or options table with appropriate prefix) for option_name containing 'notice_bar' or similar, examining the option_value for any raw HTML, script tags, or JavaScript event handlers
    Affected if Stored option values contain unescaped HTML, <script> tags, or JavaScript event attributes (onclick, onerror, etc.) that could execute malicious code
  5. View rendered Notice Bar on frontend
    Visit the website homepage or any page where the Notice Bar is configured to display, then view the page source (right-click > View Page Source) and search for the Notice Bar container div, examining any dynamic content or script tags present
    Affected if Rendered HTML contains unsanitized user-controlled content or suspicious inline JavaScript

A user is affected if the WEN Solutions Notice Bar plugin version is 3.1.0 or below AND the plugin settings contain stored malicious scripts that could execute in other users browsers.

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.

dbcve · scoped
Upgrade available Upgrade to a release after 3.1.0
Interim mitigation

Update the WEN Solutions Notice Bar plugin to the latest available version (newer than 3.1.0) to remediate the vulnerability.

Recommended fix Moderate confidence

Version 3.1.1 or later

  1. 1. Log in to the WordPress admin dashboard
  2. 2. Navigate to Plugins > Installed Plugins
  3. 3. Locate the 'Notice Bar' plugin by WEN Solutions
  4. 4. If the plugin shows version 3.1.0 or below, click 'Update Now' to upgrade to the latest version
  5. 5. Alternatively, download the latest version from wordpress.org and upload via Plugins > Add New > Upload Plugin
  6. 6. Verify the updated version number after upgrading

Generated from the published advisory — verify against the referenced sources before acting.

Fix this in Notice Bar Scoped from the published advisory
  • Consultation1.0 h
  • Implementation1.0 h
  • Testing1.0 h
  • Review / QA0.5 h
3.5 hours of engineering $750
Get the upgrade done

An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $1,200.

Scan for this in your stack

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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-2023-41847 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