CVE-2026-78333: Unknown 12 Step Meeting List

High severity, CVSS 8.8. EPSS: 0.5% chance of exploitation in the next 30 days.

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.

Affected products

• Unknown 12 Step Meeting List: from 3.17, before 3.19.17 (fixed in 3.19.17)

Published 2026-08-27. Last modified 2026-08-28.