CVE-2018-11563

CVE-2018-11563 is a medium-severity vulnerability in Otrs with a CVSS 3.x base score of 4.6. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

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.

Frequently asked questions

What is CVE-2018-11563?
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.
How severe is CVE-2018-11563?
CVE-2018-11563 has a CVSS 3.x base score of 4.6, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2018-11563 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (53rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-11563?
CVE-2018-11563 primarily affects Otrs. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2018-11563?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2018-11563 published?
CVE-2018-11563 was published on 2019-07-08 and last updated on 2026-06-17.

References

Affected products (2)

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