Critical SQL Injection Flaw in Popular CMS Plugin
Summary
A critical SQL injection vulnerability has been discovered in a popular content management system plugin with over 5 million active installations.
Threat Analysis
CMS Plugin SQL Injection Vulnerability
Vulnerability Summary: CVE-2026-7890 is a critical SQL injection vulnerability in the PopularForms plugin for ContentMaster CMS, potentially exposing sensitive database information.
Affected Versions: PopularForms plugin versions 3.0.0 through 3.5.2
CVSS Score: 9.1 (Critical)
Exploitation Details: The vulnerability exists in the form submission handler, where user input is not properly sanitized before being used in SQL queries. This allows attackers to: - Extract database contents - Modify or delete data - Potentially achieve remote code execution - Bypass authentication
Exploitation Status: Proof-of-concept code is publicly available. Active exploitation has been detected on vulnerable sites.
Remediation Steps: 1. Update to version 3.5.3 or later immediately 2. Implement web application firewall rules 3. Review database for unauthorized changes 4. Audit user accounts for compromise 5. Consider database password rotation