How severe is CVE-2018-17883?

CVE-2018-17883 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2018-17883 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (36th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-17883?

CVE-2018-17883 affects Otrs. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-17883?

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

When was CVE-2018-17883 published?

CVE-2018-17883 was published on 2023-04-16 and last updated on 2026-06-17.

CVE-2018-17883

CVE-2018-17883 is a medium-severity vulnerability in Otrs with a CVSS 3.x base score of 6.1. 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 6.1)
EPSS exploit prediction: 0% (36th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Otrs
Published: 2023-04-16
Last modified: 2026-06-17

Description

An issue was discovered in Open Ticket Request System (OTRS) 6.0.x before 6.0.12. An attacker could send an e-mail message with a malicious link to an OTRS system or an agent. If a logged-in agent opens this link, it could cause the execution of JavaScript in the context of OTRS.

Frequently asked questions

What is CVE-2018-17883?: An issue was discovered in Open Ticket Request System (OTRS) 6.0.x before 6.0.12. An attacker could send an e-mail message with a malicious link to an OTRS system or an agent. If a logged-in agent opens this link, it could cause the execution of JavaScript in the context of OTRS.
How severe is CVE-2018-17883?: CVE-2018-17883 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2018-17883 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (36th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-17883?: CVE-2018-17883 affects Otrs. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-17883?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2018-17883 published?: CVE-2018-17883 was published on 2023-04-16 and last updated on 2026-06-17.

References

Affected products (1)

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

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