AJS Footnotes WordPress Plugin Stored Cross-Site Scripting Vulnerability

A stored cross-site scripting vulnerability has been identified in the AJS Footnotes plugin for WordPress, affecting all versions through 1.0. The issue arises from inadequate authorization and nonce verification when saving settings, coupled with insufficient input sanitization and output escaping. This vulnerability allows unauthenticated attackers to modify plugin settings and inject arbitrary 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

No known patch is available. It is recommended to review the vulnerability details and consider uninstalling the affected plugin.