An improper neutralization of user-controllable input in OTRS or ((OTRS)) Community Edition ticket handling allows authenticated attackers to perform reflected cross-site scripting (XSS) attacks via crafted request parameters associated with ticket actions. By injecting malicious JavaScript into manipulated request URLs, attackers can execute arbitrary script code in the context of an authenticated agent session when the crafted link is opened.

This issue affects OTRS:

* 7.0.x

Please note that ((OTRS)) Community Edition 6.x and before are vulnerable. Products based on the ((OTRS)) Community Edition also very likely to be affected

Project Subscriptions

No data.

Advisories

No advisories yet.

Fixes

Solution

Update to latest version of OTRS (2026.4.1. or later). Please note that there will be no OTRS 7 patches


Workaround

No workaround given by the vendor.

History

Mon, 01 Jun 2026 04:00:00 +0000

Type Values Removed Values Added
Description An improper neutralization of user-controllable input in OTRS or ((OTRS)) Community Edition ticket handling allows authenticated attackers to perform reflected cross-site scripting (XSS) attacks via crafted request parameters associated with ticket actions. By injecting malicious JavaScript into manipulated request URLs, attackers can execute arbitrary script code in the context of an authenticated agent session when the crafted link is opened. This issue affects OTRS: * 7.0.x Please note that ((OTRS)) Community Edition 6.x and before are vulnerable. Products based on the ((OTRS)) Community Edition also very likely to be affected
Title Reflected XSS in authenticated agent context
Weaknesses CWE-116
CWE-79
References
Metrics cvssV3_1

{'score': 7.1, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:H/A:N'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: OTRS

Published:

Updated: 2026-06-01T03:32:28.473Z

Reserved: 2026-05-21T12:12:49.645Z

Link: CVE-2026-48209

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-06-01T04:16:23.257

Modified: 2026-06-01T04:16:23.257

Link: CVE-2026-48209

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-06-01T05:30:20Z

Weaknesses