What is CVE-2016-9139?

CVE-2016-9139 is a medium-severity vulnerability in Otrs, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2017-02-17.

How severe is CVE-2016-9139?

Medium severity. CVSS v3 base score is 6.1 out of 10.

XSS in Otrs

CVE-2016-9139

Cross-site scripting (XSS) vulnerability in Open Ticket Request System (OTRS) 3.3.x before 3.3.16, 4.0.x before 4.0.19, and 5.0.x before 5.0.14 allows remote attackers to inject arbitrary web script or HTML via a crafted attachment.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2017-02-17 · 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: 0.008 (55.4th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 55th percentile — 55.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.008 · newest: 0.008 · change: 0.000

Affected products

Otrs — versions 3.0.0, 3.0.1, 3.0.2

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

www.securityfocus.com/bid/94141 (vdb-entry)
www.otrs.com/security-advisory-2016-02-security-update-otrs/ (Vendor Advisory)

Frequently asked questions

What is CVE-2016-9139?: CVE-2016-9139 is a medium-severity vulnerability in Otrs, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2017-02-17.
How severe is CVE-2016-9139?: Medium severity. CVSS v3 base score is 6.1 out of 10.