CVE-2018-11563

Name: CVE-2018-11563
Creator: NVD / NIST
Published: 2019-07-08T13:15:10.29+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 4.6/10EPSS 0.82%

Last modified Jun 17, 2026

CVE-2018-11563 is a medium-severity vulnerability rated 4.6/10 on the CVSS scale. An issue was discovered in Open Ticket Request System (OTRS) 6.0.x through 6.0.7. A carefully constructed email could be used to inject and execute arbitrary stylesheet or JavaScript code in a logged in customer's browser in the context of the OTRS customer panel application.. EPSS estimates a 0.82% chance of exploitation in the next 30 days.

Description

An issue was discovered in Open Ticket Request System (OTRS) 6.0.x through 6.0.7. A carefully constructed email could be used to inject and execute arbitrary stylesheet or JavaScript code in a logged in customer's browser in the context of the OTRS customer panel application.

Metrics

CVSS 3.1

4.6/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N

EPSS Probability

0.82%

52.4th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions
Otrs	Otrs	>= 6.0.0, <= 6.0.7
Debian	Debian Linux	8.0

References

https://community.otrs.com/security-advisory-2018-02-security-update-for-otrs-framework/Patch, Vendor Advisory
https://lists.debian.org/debian-lts-announce/2019/08/msg00018.htmlMailing List, Third Party Advisory
https://lists.otrs.org/pipermail/announce/2018/000720.htmlVendor Advisory
https://www.otrs.com/category/release-and-security-notes-en/Release Notes, Vendor Advisory
https://community.otrs.com/security-advisory-2018-02-security-update-for-otrs-framework/Patch, Vendor Advisory
https://lists.debian.org/debian-lts-announce/2019/08/msg00018.htmlMailing List, Third Party Advisory
https://lists.otrs.org/pipermail/announce/2018/000720.htmlVendor Advisory
https://www.otrs.com/category/release-and-security-notes-en/Release Notes, Vendor Advisory

Timeline

Published: Jul 8, 2019
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2018-11563?

How severe is CVE-2018-11563?

CVE-2018-11563 has a CVSS score of 4.6/10 (MEDIUM severity). The EPSS model estimates a 0.82% probability of exploitation in the next 30 days.

How do I fix CVE-2018-11563?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2018-11563?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST