CVE-2026-66584

An unauthenticated Cross Site Scripting (XSS) vulnerability exists in versions 3.19.16 and earlier of the 12 Step Meeting List application, allowing attackers to inject malicious scripts into web pages viewed by users. This could lead to session hijacking, data theft, or defacement of the application. Organizations using affected versions should prioritize patching this vulnerability to mitigate potential exploitation risks.