How severe is CVE-2019-9751?

CVE-2019-9751 has a CVSS 3.x base score of 4.8, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2019-9751 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-2019-9751?

CVE-2019-9751 affects Otrs. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2019-9751?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2019-9751 published?

CVE-2019-9751 was published on 2019-03-13 and last updated on 2026-06-17.

CVE-2019-9751

CVE-2019-9751 is a medium-severity vulnerability in Otrs with a CVSS 3.x base score of 4.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.

Key facts

Severity: Medium (CVSS 3.x base score 4.8)
CVSS v2: 3.5
EPSS exploit prediction: 1% (53rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Otrs
Published: 2019-03-13
Last modified: 2026-06-17

Description

An issue was discovered in Open Ticket Request System (OTRS) 6.x before 6.0.17 and 7.x before 7.0.5. An attacker who is logged into OTRS as an admin user may manipulate the URL to cause execution of JavaScript in the context of OTRS. This is related to Kernel/Output/Template/Document.pm.

Frequently asked questions

What is CVE-2019-9751?: An issue was discovered in Open Ticket Request System (OTRS) 6.x before 6.0.17 and 7.x before 7.0.5. An attacker who is logged into OTRS as an admin user may manipulate the URL to cause execution of JavaScript in the context of OTRS. This is related to Kernel/Output/Template/Document.pm.
How severe is CVE-2019-9751?: CVE-2019-9751 has a CVSS 3.x base score of 4.8, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2019-9751 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-2019-9751?: CVE-2019-9751 affects Otrs. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-9751?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2019-9751 published?: CVE-2019-9751 was published on 2019-03-13 and last updated on 2026-06-17.

References

https://community.otrs.com/security-advisory-2019-02-security-update-for-otrs-framework

Affected products (1)

cpe:2.3:a:otrs:otrs:*:*:*:*:*:*:*:*

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