CVE-2020-1771: Otrs

Medium severity, CVSS 5.4. EPSS: 1% chance of exploitation in the next 30 days.

Attacker is able craft an article with a link to the customer address book with malicious content (JavaScript). When agent opens the link, JavaScript code is executed due to the missing parameter encoding. This issue affects: ((OTRS)) Community Edition: 6.0.26 and prior versions. OTRS: 7.0.15 and prior versions.

Affected products

• Otrs Otrs: from 5.0.0, up to and including 5.0.41; from 6.0.0, up to and including 6.0.26; from 7.0.0, up to and including 7.0.15

Published 2020-03-27. Last modified 2026-06-17.