Description
An attacker who is logged into OTRS as an admin user may manipulate customer URL field to store JavaScript code to be run later by any other agent when clicking the customer URL link. Then the stored JavaScript is executed in the context of OTRS. The same issue applies for the usage of external data sources e.g. database or ldap
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| OTRS | OTRS | 7.0.x – ≤ 7.0.36, 8.0.x – ≤ 8.0.24 | — |
| OTRS | ((OTRS)) Community Edition | 6.0.1 – < 6.0.x* | 6.0.x* |
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 26.10 | znuny | No fix yet | — |
| Ubuntu 26.04 LTS | znuny | No fix yet | — |
| Ubuntu 25.10 | znuny | No fix yet | — |
| Ubuntu 24.04 LTS | znuny | No fix yet | — |