October 05, 2018 — Please read carefully and check if the version of your OTRS system is affected by this vulnerability.
Please send information regarding vulnerabilities in OTRS to: security@otrs.org
Security Advisory Details
- ID: OSA-2018-06
- Date: 2018-10-05
- Title: XSS
- Severity: 3.9. low
- Product: OTRS 6.0.x
- Fixed in: OTRS 6.0.12
- FULL CVSS v3 VECTOR: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N/E:P/RL:O/RC:C
- References: CVE-2018-17883
Vulnerability Description
This advisory covers vulnerabilities discovered in the OTRS framework.
Privilege Escalation
An attacker could send an email 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 by this vulnerability are all releases of OTRS 6.0.x up to and including 6.0.11.
This vulnerability is fixed in the latest versions of OTRS, and it is recommended to upgrade to the latest patch level.
Fixed releases can be found at:
Detailed information about the changes:
However, to avoid unwanted side effects, we recommend a complete update.
Thanks to Mouhcine Ben Aomar for discovering and reporting this issue.