CVE-2020-13897: Hesk

Medium severity, CVSS 6.1. EPSS: 0.6% chance of exploitation in the next 30 days.

HESK before 3.1.10 allows reflected XSS.

Affected products

• Hesk Hesk: before 3.1.10 (fixed in 3.1.10)

Published 2020-06-07. Last modified 2026-06-17.