In Redmine before 3.4.11 and 4.0.x before 4.0.4, persistent XSS exists due to textile formatting errors.
https://www.redmine.org/projects/redmine/wiki/Security_Advisories
https://www.debian.org/security/2019/dsa-4574
https://usn.ubuntu.com/4200-1/
https://seclists.org/bugtraq/2019/Nov/31
https://github.com/RealLinkers/CVE-2019-17427
Source: Mitre, NVD
Published: 2019-10-10
Updated: 2019-11-19
Base Score: 4.3
Vector: CVSS2#AV:N/AC:M/Au:N/C:N/I:P/A:N
Severity: Medium
Base Score: 6.1
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N