Vulnerability · Published Oct 16, 2023 · Assigned by OTRS
CVE-2023-5421 Possible XSS execution in customer information
Low 3.5
In plain English
A low-severity improper input validation in OTRS from OTRS AG. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 39% of all known vulnerabilities).
Official description
An attacker who is logged into OTRS as an user with privileges to create and change customer user data may manipulate the CustomerID field to execute JavaScript code that runs immediatly after the data is saved.The issue onlyoccurs if the configuration for AdminCustomerUser::UseAutoComplete was changed before. This issue affects OTRS: from 7.0.X before 7.0.47, from 8.0.X before 8.0.37; ((OTRS)) Community Edition: from 6.0.X through 6.0.34.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu:22.04:LTS | otrs2 | no fix listed | UBUNTU-CVE-2023-5421 |
| Ubuntu:24.04:LTS | znuny | no fix listed | UBUNTU-CVE-2023-5421 |
| Ubuntu:25.10 | znuny | no fix listed | UBUNTU-CVE-2023-5421 |
| Ubuntu:26.04:LTS | znuny | no fix listed | UBUNTU-CVE-2023-5421 |
| Ubuntu:26.10 | znuny | no fix listed | UBUNTU-CVE-2023-5421 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| OTRS AG | OTRS | 7.0.x – before 7.0.478.0.x – before 8.0.37 |
| OTRS AG | ((OTRS)) Community Edition | 6.0.x – through 6.0.34 |
Weakness: CWE-20 · Vector: CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:N