What’s Vulnerable › Vulnerabilities

CVE-2018-11563

• Severity: medium (CVSS 4.6 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.8% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2019-07-08 · updated 2026-06-17

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.

Affected products

• Debian Linux: 8.0
• OTRS AG OTRS: from 6.0.0 through 6.0.7

References

• https://community.otrs.com/security-advisory-2018-02-security-update-for-otrs-framework/
• https://lists.debian.org/debian-lts-announce/2019/08/msg00018.html
• https://lists.otrs.org/pipermail/announce/2018/000720.html
• https://www.otrs.com/category/release-and-security-notes-en/
• https://community.otrs.com/security-advisory-2018-02-security-update-for-otrs-framework/
• https://lists.debian.org/debian-lts-announce/2019/08/msg00018.html
• https://lists.otrs.org/pipermail/announce/2018/000720.html
• https://www.otrs.com/category/release-and-security-notes-en/

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