The FireBox Popups – Increase Sales and Grow Your Email List plugin for WordPress is vulnerable to Sensitive Information Exposure in all versions up to, and including, 3.1.7 via the 'form_id' parameter. This makes it possible for unauthenticated attackers to extract download a full CSV export of all form submissions — including any personally identifiable information submitted by users — for any arbitrary form_id.
CVE-2026-12120 is a medium severity with CVSS 5.3 Sensitive Information Exposure issue affecting the Plugin FireBox Popups – Increase Sales and Grow Your Email List. It affects Versions up to 3.1.7 and is fixed in 3.1.8.
Use the related hub and response guides to connect this CVE-2026-12120 report with patch validation, scanner checks, and site hardening work.
Open the grouped hub for related CVEs, affected ranges, severity mix, and patch coverage.
Check access, XML-RPC exposure, backup readiness, and monitoring after patching.
Use containment, evidence capture, remediation, and validation steps when exploit risk is high.
CVE-2026-12120 is tracked for the Plugin FireBox Popups – Increase Sales and Grow Your Email List as medium severity with CVSS 5.3. The affected range is Versions up to 3.1.7. Update FireBox Popups – Increase Sales and Grow Your Email List to 3.1.8 or newer where that version is compatible with the site.
Search engines and operators need more than a title. This page exposes the identifier, affected range, patch evidence, and source coverage that make the vulnerability actionable.
This report has a CVE identifier, which makes it suitable for focused search and vulnerability triage workflows.
Affected version data gives operators a concrete comparison point against installed WordPress software.
A fixed version is present, so the page can answer update and remediation intent directly.
External references are available for source validation, advisory review, and incident notes.
Use these checks when converting this record into a patch ticket, incident note, or risk acceptance decision.
Inventory the installed Plugin package and compare its version with Versions up to 3.1.7.
Confirm FireBox Popups – Increase Sales and Grow Your Email List is updated to 3.1.8 or newer.
Review references and CVSS vector details for exploitability, authentication requirements, and exposure path.
After patching, re-run vulnerability monitoring and keep the related plugin or theme hub under review for follow-up CVEs.
| Software Type | Plugin |
|---|---|
| Software Slug |
firebox
View on wordpress.org
|
| CVE | CVE-2026-12120 |
| Patched Versions |
3.1.8
|
| Affected Versions |
Versions up to 3.1.7
|
These internal links group the same WordPress plugin by CVE, issue type, severity, and patch status so operators and search engines can connect the full vulnerability cluster.
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