dbcve.org
Information ExposureWeakness · CWE-200

CVE-2025-12039

MEDIUM · 5.3 CVSS v3.1 Published 2025-11-21
Mitigation only
No fix yet — a mitigation exists. There is no fixed release. A documented workaround reduces exposure in the meantime.
See remediation →
62/100
Remediation priority · Elevated
Remotely reachable No privileges Zero-click

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
The BigBuy Dropshipping Connector for WooCommerce plugin for WordPress is vulnerable to IP Address Spoofing in all versions up to, and including, 2.0.5 due to insufficient IP address validation and use of user-supplied HTTP headers as a primary method for IP retrieval. This makes it possible for unauthenticated attackers to retrieve the output of phpinfo().

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

The BigBuy Dropshipping Connector for WooCommerce plugin uses user-supplied HTTP headers (e.g., X-Forwarded-For) to determine client IP addresses without validating them, allowing attackers to spoof their IP. This enabled unauthenticated access to the phpinfo() function, exposing sensitive server configuration, environment variables, and PHP settings.

MitigationUpdate to version 2.0.6 or later when available. Until then, implement server-side IP validation that does not trust client-supplied headers, and restrict access to any phpinfo() endpoint at the web server level.

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
None
Availability
None

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/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. Identify if the BigBuy Dropshipping Connector plugin is installed
    Locate the plugin files in wp-content/plugins/ and look for a folder named 'bigbuy-dropshipping-connector' or similar. Check the main plugin PHP file for the version number defined in the plugin header comment.
    Affected if The plugin is installed and the version is below 2.0.6 (or if version cannot be determined but the plugin is present).
  2. Verify the installed plugin version
    Open the main plugin file (usually bigbuy-dropshipping-connector.php or similar) and locate the 'Version:' field in the plugin header comment. Compare this version number to 2.0.6.
    Affected if The version number is lower than 2.0.6.
  3. Inspect HTTP header handling in the plugin code
    Search the plugin source code for usage of $_SERVER variables containing 'HTTP_' prefixes, particularly 'HTTP_X_FORWARDED_FOR', 'HTTP_X_REAL_IP', or similar client-supplied headers used to determine IP addresses. Look for code that uses these headers without server-side validation.
    Affected if The plugin code uses $_SERVER['HTTP_X_FORWARDED_FOR'] or similar headers to determine client IP without validating that the header was actually set by a trusted proxy.
  4. Check for phpinfo() exposure
    Attempt to access common phpinfo() endpoints on the site, such as /phpinfo.php, /info.php, or any endpoint that may be exposed by the plugin. Also search the plugin code for direct calls to phpinfo().
    Affected if phpinfo() is accessible or present in the plugin code, as this function would be reachable via IP spoofing when the header trust vulnerability exists.

You are affected if the BigBuy Dropshipping Connector for WooCommerce plugin is installed with a version below 2.0.6 and the plugin or server configuration exposes phpinfo() functionality that can be accessed by spoofing HTTP headers.

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
Mitigation available No clean upgrade yet — mitigate in the meantime
Mitigation

Update to version 2.0.6 or later when available. Until then, implement server-side IP validation that does not trust client-supplied headers, and restrict access to any phpinfo() endpoint at the web server level.

Recommended fix Moderate confidence

Version 2.0.6 or latest available release

  1. 1. Log in to the WordPress admin dashboard
  2. 2. Navigate to Plugins > Installed Plugins
  3. 3. Locate the 'BigBuy Dropshipping Connector for WooCommerce' plugin
  4. 4. If an update is available, click 'Update Now' to install the latest version
  5. 5. After updating, verify the plugin is running on version 2.0.6 or later
  6. 6. Confirm the vulnerability is mitigated by ensuring phpinfo() is no longer accessible via IP address spoofing

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

Have this fixed Scoped from the published advisory
  • Consultation2.0 h
  • Implementation3.0 h
  • Testing2.0 h
  • Review / QA1.0 h
8.0 hours of engineering $1,420
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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-2025-12039 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