WordPress User Language Switch Plugin Cross-Site Scripting Vulnerability

Vulnerability

A reflected cross-site scripting vulnerability has been identified in the WordPress User Language Switch plugin, affecting versions through 1.6.10. This issue arises from improper input sanitization during web page generation, allowing attackers to inject malicious scripts that are executed when users visit the affected site.

Impact

Exploitation of this vulnerability allows for reflected cross-site scripting, where an attacker can inject malicious scripts that are executed in the context of the user's browser.

Remediation

Users are advised to deactivate the plugin and consider replacing it with an alternative, as it is likely abandoned and will not receive further updates or fixes. A virtual patch is available through Patchstack to mitigate the vulnerability until an official fix can be applied.

Added: Aug 14, 2025, 1:45 PM
Updated: Aug 14, 2025, 1:45 PM

Vulnerability Rating

Custom Algorithm
spread
0.0
impact
1.7
exploitability
6.4
remediation
0.0
relevance
0.4
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.