What’s Vulnerable › Vulnerabilities

CVE-2018-17883

• Severity: medium (CVSS 6.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-04-16 · updated 2026-06-17
• Weakness: CWE-79

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.

Affected products

• OTRS AG OTRS: from 6.0.0 before 6.0.12 — fixed in 6.0.12

How to fix

Upgrade to a fixed version: OTRS AG OTRS 6.0.12. Check the vendor advisory for mitigations.

References

• https://community.otrs.com/category/release-and-security-notes-en/
• https://community.otrs.com/security-advisory-2018-06-security-update-for-otrs-framework/
• https://community.otrs.com/category/release-and-security-notes-en/
• https://community.otrs.com/security-advisory-2018-06-security-update-for-otrs-framework/

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