Sensitive Information Exposure in FireBox Popups Plugin for WordPress
CVE-2026-12120

5.3MEDIUM

Key Information:

Vendor

WordPress
Status
Firebox Popups – Increase Sales And Grow Your Email List
Vendor
CVE Published:
18 June 2026

What is CVE-2026-12120?

The FireBox Popups plugin for WordPress is susceptible to sensitive information exposure due to inadequate validation of the 'form_id' parameter. Attackers can exploit this vulnerability to access and download a complete CSV export of user submissions, which may include personally identifiable information (PII) from any arbitrary form. All versions up to and including 3.1.7 are affected, posing significant risks to user data security.

Affected Version(s)

FireBox Popups – Increase Sales and Grow Your Email List 0 <= 3.1.7

References

https://www.wordfence.com/threat-intel/vulnerabilities/id...
https://plugins.trac.wordpress.org/browser/firebox/tags/3...
https://plugins.trac.wordpress.org/browser/firebox/tags/3...

CVSS V3.1

Score:
5.3
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
None
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Duc Manh
.