What is CVE-2018-19141?

CVE-2018-19141 is a medium-severity vulnerability in Otrs Open Ticket Request System, classified under Cross-site Scripting. CVSS score: 4.8/10. Published 2018-11-11.

How severe is CVE-2018-19141?

Medium severity. CVSS v3 base score is 4.8 out of 10.

XSS in Otrs Open Ticket Request System

CVE-2018-19141

Open Ticket Request System (OTRS) 4.0.x before 4.0.33 and 5.0.x before 5.0.31 allows an admin to conduct an XSS attack via a modified URL because user and customer preferences are mishandled.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2018-11-11 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 4.8 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.007 (50.2th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 50th percentile — 50.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: 0.000

Affected products

Otrs Open Ticket Request System
Debian Linux — versions 8.0

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

lists.debian.org/debian-lts-announce/2018/11/msg00028.html (mailing-list, Mailing List, Third Party Advisory)
community.otrs.com/security-advisory-2018-09-security-update-for-otrs-framework/ (Patch, Vendor Advisory)

Frequently asked questions

What is CVE-2018-19141?: CVE-2018-19141 is a medium-severity vulnerability in Otrs Open Ticket Request System, classified under Cross-site Scripting. CVSS score: 4.8/10. Published 2018-11-11.
How severe is CVE-2018-19141?: Medium severity. CVSS v3 base score is 4.8 out of 10.