CVE-2021-26122: Livinglogic XIST4C

Medium severity, CVSS 6.1. EPSS: 0.7% chance of exploitation in the next 30 days.

LivingLogic XIST4C before 0.107.8 allows XSS via feedback.htm or feedback.wihtm.

Affected products

• Livinglogic XIST4C: before 0.107.8 (fixed in 0.107.8)

Published 2021-05-07. Last modified 2026-06-17.