A persistent cross-site scripting (XSS) vulnerability in Octopus Server 3.4.0 through 2019.10.5 allows remote authenticated attackers to inject arbitrary web script or HTML.
Severity
CVSS 3.1
5.4 medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
EPSS
0.6% chance of exploitation in the next 30 days; higher than 49% of CVEs (scores of 2026-10-31)