XSS in Redmine

CVE-2017-15569

In Redmine before 3.2.8, 3.3.x before 3.3.5, and 3.4.x before 3.4.3, XSS exists in app/helpers/queries_helper.rb via a multi-value field with a crafted value that is mishandled during rendering of an issue list.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2017-10-18 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.009 (59.7th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 60th percentile — 59.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.009 · newest: 0.009 · change: 0.000

Affected products

Redmine — versions 3.3.0, 3.3.1, 3.3.2
Debian Linux — versions 9.0

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

www.redmine.org/projects/redmine/wiki/Security_Advisories (Patch, Vendor Advisory)
www.debian.org/security/2018/dsa-4191 (vendor-advisory, Third Party Advisory)
www.redmine.org/issues/27186 (Vendor Advisory, Permissions Required)
github.com/redmine/redmine/commit/56c8ee0440d8555aa7822d947ba9091c8a791508 (Patch, Third Party Advisory)

Frequently asked questions

What is CVE-2017-15569?: CVE-2017-15569 is a medium-severity vulnerability in Redmine, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2017-10-18.
How severe is CVE-2017-15569?: Medium severity. CVSS v3 base score is 6.1 out of 10.