CVE-2023-5421
Publication date 16 October 2023
Last updated 4 August 2025
Ubuntu priority
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.
Read the notes from the security team
Why is this CVE low priority?
Requires a non-default configuration to be vulnerable
Status
| Package | Ubuntu Release | Status |
|---|---|---|
| znuny | 25.10 questing |
Needs evaluation
|
| 24.04 LTS noble |
Needs evaluation
|
|
| 22.04 LTS jammy | Not in release | |
| 20.04 LTS focal | Not in release | |
| 18.04 LTS bionic | Not in release | |
| 16.04 LTS xenial | Not in release | |
| 14.04 LTS trusty | Not in release | |
| otrs2 | 25.10 questing | Not in release |
| 24.04 LTS noble | Not in release | |
| 22.04 LTS jammy |
Needs evaluation
|
|
| 20.04 LTS focal |
Needs evaluation
|
|
| 18.04 LTS bionic |
Needs evaluation
|
|
| 16.04 LTS xenial |
Needs evaluation
|
|
| 14.04 LTS trusty | Ignored end of standard support |
Notes
sbeattie
possibly fixed in otrs2 in 6.0.35, which was a bunch of fixes backported from znuny; this may mean that it was already fixed in znuny
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score |
3.5 · Low
|
| Attack vector | Adjacent |
| Attack complexity | Low |
| Privileges required | High |
| User interaction | None |
| Scope | Unchanged |
| Confidentiality | Low |
| Integrity impact | Low |
| Availability impact | None |
| Vector | CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:N |