Cross-site scripting in OTRS - CVE-2021-21434
Published: February 8, 2021 / Updated: April 1, 2021
Vulnerability identifier: #VU51872
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:U/U:Clear
CVE-ID: CVE-2021-21434
CWE-ID: CWE-79
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: otrs.org
Affected software:
OTRS
OTRS
Detailed vulnerability description
The vulnerability allows a remote privileged user to read and manipulate data.
Survey administrator can craft a survey in such way that malicious code can be executed in the agent interface (i.e. another agent who wants to make changes in the survey). This issue affects: OTRS AG Survey 6.0.x version 6.0.20 and prior versions; 7.0.x version 7.0.19 and prior versions.
How to mitigate CVE-2021-21434
Install update from vendor's website.