WordPress User Session Synchronizer Plugin Cross-Site Request Forgery Vulnerability Allowing Stored Cross-Site Scripting

Vulnerability

A Cross-Site Request Forgery (CSRF) vulnerability has been identified in the WordPress User Session Synchronizer plugin, specifically in versions through 1.4.0. This vulnerability allows for Stored Cross-Site Scripting (XSS) attacks, where malicious scripts can be injected and executed within the user's browser session.

Impact

Exploitation of this vulnerability could enable a malicious actor to perform unauthorized actions on behalf of users with higher privileges, potentially leading to the injection of malicious scripts that are stored and executed in the context of the user.

Remediation

Users are advised to remove and replace the WordPress User Session Synchronizer plugin, as it is likely abandoned and will not receive further updates or fixes.

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

Vulnerability Rating

Custom Algorithm
spread
0.0
impact
1.7
exploitability
6.4
remediation
0.0
relevance
0.0
threat
0.0
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.