Volerion logoVolerion
Volerion logoVolerion

WordPress Login/Signup Popup Plugin Stored Cross-Site Scripting Vulnerability

Vulnerability

A stored cross-site scripting vulnerability has been identified in the WordPress Login/Signup Popup (Inline Form + WooCommerce) plugin, affecting all versions through 2.8.5. The issue arises from inadequate input sanitization and output escaping of user-supplied attributes in the plugin's xoo_el_action shortcode. This vulnerability allows authenticated attackers with contributor-level access or higher to inject arbitrary web scripts into pages, which are executed when users access the affected pages.

Impact

Exploitation of this vulnerability allows for stored cross-site scripting, where injected scripts are executed in the context of the user viewing the page.

Remediation

Users can update to version 2.8.6 or a newer patched version to address this vulnerability.

Added: Jun 9, 2025, 7:46 PM
Updated: Jun 9, 2025, 7:46 PM

Vulnerability Rating

Custom Algorithm
spread
2.2
impact
1.7
exploitability
6.1
remediation
7.7
relevance
0.0
threat
3.2
urgency
2.9
incentive
1.7

Our algorithm analyzes dozens of metrics to generate these 8 key vulnerability categories, which are then combined to calculate the overall risk score.