The 12 Step Meeting List WordPress plugin before 3.19.17 does not sanitise and escape a value submitted by unauthenticated users before storing it in its activity log and outputting it back in an admin area page, leading to a Stored Cross-Site Scripting issue which could be used against high privilege users such as admin.

Unauthenticated Cross Site Scripting (XSS) in 12 Step Meeting List <= 3.19.16 versions.

Insertion of Sensitive Information Into Sent Data vulnerability in AA Web Servant 12 Step Meeting List 12-step-meeting-list allows Retrieve Embedded Sensitive Data.This issue affects 12 Step Meeting List: from n/a through <= 3.19.9.