WordPress CF7 Spreadsheets Plugin Cross-Site Scripting Vulnerability

A stored cross-site scripting vulnerability has been identified in the WordPress CF7 Spreadsheets plugin, affecting versions through 2.3.2. This issue arises from improper input sanitization during web page generation, allowing malicious scripts to be injected and executed when users visit the affected site.

Impact

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

Remediation

Users are advised to deactivate the CF7 Spreadsheets plugin and consider replacing it with an alternative, as this plugin is likely abandoned and will not receive further updates or fixes. Patchstack has issued a virtual patch to mitigate this vulnerability.