AI enriched 6 days ago (2026-04-09 06:18 UTC)

Technical Summary

The Ultimate Member plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the Biography field featured on individual user profile pages due to insufficient input sanitization and output escaping that allows users to encode malicious web scripts with HTML encoding that is reflected back on the page. This affects versions up to, and including, 2.3.2. Please note this issue was only partially fixed in version 2.3.2.

Potential Impact

Severity is MEDIUM (CVSS 6.4). Depending on deployment context, affected components may be exposed to unauthorized actions or data integrity risk.

Exploitability Assessment

Exploitability is assessed as High based on published exploit references, remote code execution potential.

Primary risk drivers: published exploit references, remote code execution potential

Mitigation Recommendations

Validate affected product versions, prioritize patching, and monitor references for vendor remediation guidance. If immediate patching is not possible, apply compensating controls and limit exposure of vulnerable surfaces.

Detection & Monitoring

Track authentication anomalies, unexpected file writes, and suspicious plugin API activity around affected components.

Business Impact Lens

Prioritize remediation where affected components process customer data, admin sessions, or Internet-exposed workflows.