NewsletterWordPress extension · Thenewsletterplugin
CVE-2023-27922
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 scripting vulnerability in Newsletter versions prior to 7.6.9 allows a remote unauthenticated attacker to inject an arbitrary script.
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 confidenceStored XSS vulnerability in the Newsletter WordPress plugin allows remote unauthenticated attackers to inject malicious JavaScript through vulnerable input fields, which executes when other users view the affected content.
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
NewsletterWordPress extension
< 7.6.9CVSS 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
- Changed
- Confidentiality
- Low
- Integrity
- Low
- Availability
- None
CVSS:3.1/AV:N/AC:L/PR:N/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 checksWork through these to decide whether this CVE applies to you.
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Verify Newsletter plugin is installedIn WordPress admin, navigate to Plugins > Installed Plugins and locate 'Newsletter' or 'The Newsletter Plugin' in the list of active pluginsAffected if The Newsletter plugin appears in the installed plugins list
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Check installed plugin versionIn the Plugins list, click on the Newsletter plugin to view its details, or check the plugin files in wp-content/plugins/newsletter/ for a version file or readme.txtAffected if The displayed version number is lower than 7.6.9 (e.g., 7.6.8, 7.5.0, etc.)
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Identify vulnerable input fieldsAccess the Newsletter plugin settings pages (typically under Newsletter menu in admin), particularly areas where subscriber data, email templates, or campaign content are enteredAffected if The plugin is active and users can submit or edit content without sanitized output in newsletter forms
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Check for stored XSS indicatorsReview the HTML source of newsletter subscription forms, email templates, or admin-generated pages for unsanitized user input reflected in the page sourceAffected if User-supplied data from newsletter subscriptions appears directly in HTML without encoding (visible by viewing page source)
You are affected if the Newsletter plugin is installed and the version is below 7.6.9, as the stored XSS vulnerability exists in those versions.
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.
dbcve · scoped7.6.9
Update Newsletter plugin to version 7.6.9 or later to patch the XSS vulnerability.
7.6.9
- 1. Back up your WordPress site and database before performing any updates
- 2. Navigate to the WordPress admin dashboard > Plugins
- 3. Find the Newsletter plugin and check for an update to version 7.6.9 or later
- 4. If an update is available, click 'Update Now' to install version 7.6.9
- 5. Alternatively, update via WP-CLI: `wp plugin update newsletter`
- 6. After updating, verify the plugin version shows 7.6.9 or higher
- 7. Test newsletter subscription forms and email delivery to confirm functionality
Generated from the published advisory — verify against the referenced sources before acting.
Fix this in Newsletter
Scoped from the published advisory
- Consultation1.0 h
- Implementation1.0 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 $1,376.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2023-27922 — 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-2023-27922 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