Gosign Posts Slider Block Stored Cross-Site Scripting Vulnerability

A stored cross-site scripting vulnerability has been identified in the Gosign – Posts Slider Block plugin for WordPress, affecting all versions through 1.1.0. The issue arises from inadequate input sanitization and output escaping, allowing authenticated attackers with Contributor-level access or higher to inject arbitrary scripts into pages. These scripts are executed when a user views the affected page.

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.