CVE-2019-16375
CWE-79Published: March 19, 2020· Updated: Jun 17, 2026
Official Description
An issue was discovered in Open Ticket Request System (OTRS) 7.0.x through 7.0.11, and Community Edition 5.0.x through 5.0.37 and 6.0.x through 6.0.22. An attacker who is logged in as an agent or customer user with appropriate permissions can create a carefully crafted string containing malicious JavaScript code as an article body. This malicious code is executed when an agent composes an answer to the original article.
Technical Analysis
CVE-2019-16375 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.
Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.
The vulnerability has a "Changed" scope, meaning successful exploitation can impact components beyond the vulnerable component itself — such as the host operating system or adjacent services.
From a weakness classification perspective (CWE-79): Cross-site scripting (XSS) vulnerabilities allow attackers to inject malicious scripts into web pages viewed by other users.
CVSS v3.1 Vector Breakdown
Affected Vendors & Products
Exploit & PoC Resources
Official Patches & Advisories
All References (12)
Quick Facts
Related CVEs (CWE-79)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2019-16375 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts