Cross-site scripting in OTRS - CVE-2020-1771

 

Cross-site scripting in OTRS - CVE-2020-1771

Published: March 27, 2020 / Updated: April 1, 2021


Vulnerability identifier: #VU51868
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:U/U:Clear
CVE-ID: CVE-2020-1771
CWE-ID: CWE-79
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: otrs.org
Affected software:
OTRS

Detailed vulnerability description

The vulnerability allows a remote authenticated user to read and manipulate data.

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.


How to mitigate CVE-2020-1771

Install update from vendor's website.

Sources