Beaver BuilderWordPress extension · Fastlinemedia

CVE-2023-50889

MEDIUM · 5.4 CVSS v3.1 Published 2023-12-29
Fix available
A fix is available. Upgrade to after 2.7.2 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
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in The Beaver Builder Team Beaver Builder – WordPress Page Builder allows Stored XSS.This issue affects Beaver Builder – WordPress Page Builder: from n/a through 2.7.2.

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 confidence

A Stored Cross-Site Scripting (XSS) vulnerability exists in Beaver Builder WordPress Page Builder versions through 2.7.2. The vulnerability stems from improper neutralization of user-supplied input during web page generation, allowing malicious scripts to be stored in the database and executed when other users view compromised pages.

MitigationUpdate Beaver Builder to the latest available version beyond 2.7.2 where the vulnerability has been patched. Review and sanitize any existing page builder content that may contain injected malicious scripts.

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
Beaver BuilderWordPress extension
Affected:<= 2.7.2

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. Check Beaver Builder plugin version
    Navigate to WordPress admin > Plugins > Installed Plugins > find 'Beaver Builder Plugin' and read the Version number displayed
    Affected if The displayed version is 2.7.2 or lower
  2. Verify Beaver Builder is active
    Check if the Beaver Builder plugin is enabled on the WordPress site by viewing the Plugins list in the admin dashboard
    Affected if Beaver Builder plugin is active and version is 2.7.2 or lower
  3. Inspect page builder content for injected scripts
    Review saved Beaver Builder layouts in the wp_posts database table (post_type: fl-builder-template or fl-builder) or use the WordPress admin to view pages built with Beaver Builder, looking for unexpected script tags or javascript: URLs in text modules, button links, or custom HTML elements
    Affected if Any Beaver Builder content contains unsanitized script tags or malicious JavaScript references that were not intentionally added by an administrator

The environment is affected if Beaver Builder version 2.7.2 or lower is installed and active, or if stored malicious scripts exist in Beaver Builder content in the database.

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.

From vendor data
Upgrade available Upgrade to a release after 2.7.2
Interim mitigation

Update Beaver Builder to the latest available version beyond 2.7.2 where the vulnerability has been patched. Review and sanitize any existing page builder content that may contain injected malicious scripts.

Fix this in Beaver Builder Scoped from the published advisory
  • Consultation2.0 h
  • Implementation2.0 h
  • Testing3.0 h
  • Review / QA2.0 h
9.0 hours of engineering $1,570
Get the upgrade done

An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $2,512.

Scan for this in your stack

Free · runs locally
dbcve dependency scanner

Check whether your project pulls in CVE-2023-50889 — 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 sources

Practitioner notes

Contributed

Peer-ranked notes from engineers who’ve handled CVE-2023-50889 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