CVE-2021-46781: Subsystic Coming Soon

Medium severity, CVSS 6.1. EPSS: 0.8% chance of exploitation in the next 30 days.

The Coming Soon by Supsystic WordPress plugin before 1.7.6 does not sanitise and escape the tab parameter before outputting it back in an attribute in the admin dashboard, leading to a Reflected Cross-Site Scripting

Affected products

  • Subsystic Coming Soon: before 1.7.6 (fixed in 1.7.6)

Published 2022-04-25. Last modified 2026-06-17.