CVSS 3.1 Score 5.5 of 10 (medium)


Published Oct 16, 2023
Updated: Oct 19, 2023


CVE-2023-5421 is a vulnerability that affects OTRS versions 7.0.X before 7.0.47, 8.0.X before 8.0.37, and ((OTRS)) Community Edition versions 6.0.X through 6.0.34. It allows an attacker logged into OTRS with privileges to manipulate the CustomerID field and execute JavaScript code upon saving customer user data, as long as the configuration for AdminCustomerUser::UseAutoComplete was changed prior to the attack. The vulnerability has a risk score of 25 and a base severity of MEDIUM according to NIST's National Vulnerability Database (NVD). The exploitability score is 2.3, suggesting a moderate level of difficulty for attackers to exploit this vulnerability remotely over a network without requiring user interaction. The impact on integrity and confidentiality is low, while availability is not affected. Remediation would involve updating OTRS to version 7.0.47 or higher for affected versions, or version 6.0.35 or higher for ((OTRS)) Community Edition versions.

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