Description
In Redmine before 3.4.11 and 4.0.x before 4.0.4, persistent XSS exists due to textile formatting errors.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | redmine | 4.0.4-1 | — |
| Debian 13 | redmine | 4.0.4-1 | — |
| Debian 12 | redmine | 4.0.4-1 | — |
| Debian 9 | redmine | 3.3.1-4+deb9u3 | DSA-4574-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 18.04 LTS | redmine | 3.4.4-1ubuntu0.1 | USN-4200-1 |
| Ubuntu 16.04 LTS | redmine | 3.2.1-2ubuntu0.2 | USN-4200-1 |
Public exploits
Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.
Third-party code, not reviewed by us. Public PoCs are sometimes fake or contain malware. Read the code first and run it only in an isolated lab, against systems you are authorised to test.
GitHub 1 repository
-
RealLinkers/CVE-2019-17427 ★ 1 · Jan 3, 2020
CVE-2019-17427 Persistent XSS POC
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
Advisories 2
- DSA-4574-1 redmine - security update Debian Security (DSA / DLA) · Mar 9, 2026
- USN-4200-1 redmine vulnerabilities Ubuntu Security Notices (USN) · Feb 10, 2026
References
- https://www.redmine.org/projects/redmine/wiki/Security_Advisories
- DSA-4574 vendor-advisory
- 20191119 [SECURITY] [DSA 4574-1] redmine security update mailing-list
- USN-4200-1 vendor-advisory
- https://github.com/RealLinkers/CVE-2019-17427