Vulnerability Note VU#603276

OTRS contains a cross-site scripting vulnerability

Original Release date: 17 Oct 2012 | Last revised: 17 Oct 2012


Open Technology Real Services (OTRS) contains a cross-site scripting (XSS) (CWE-79) vulnerability in the body of HTML emails viewed within the OTRS application.


OTRS is an open source Help Desk and ITILŪ V3 compliant IT Service Management platform.

OTRS Security Advisory 2012-03 states:

This advisory covers vulnerabilities discovered in the OTRS core system. This is a variance of the XSS vulnerability, where an attacker could send a specially prepared HTML email to OTRS which would cause JavaScript code to be executed in your browser while displaying the email. In this case this is achieved by using javascript source attributes with whitespaces.

Affected by this vulnerability are all releases of OTRS 2.4.x up to and including 2.4.14, 3.0.x up to and including 3.0.16 and 3.1.x up to and including 3.1.10.


A remote attacker may be able to perform a cross-site scripting attack against a logged in OTRS user by sending a specifically crafted HTML email.


Apply an Update

OTRS 2.4.15, 3.0.17 and 3.1.11 were released to address this vulnerability.

Vendor Information (Learn More)

VendorStatusDate NotifiedDate Updated
OTRSAffected07 Sep 201217 Oct 2012
If you are a vendor and your product is affected, let us know.

CVSS Metrics (Learn More)

Group Score Vector
Base 5.0 AV:N/AC:L/Au:N/C:N/I:P/A:N
Temporal 3.9 E:POC/RL:OF/RC:C
Environmental 2.9 CDP:ND/TD:M/CR:ND/IR:ND/AR:ND



Thanks to Mike Eduard of Znuny GmbH for reporting this vulnerability.

This document was written by Jared Allar.

Other Information

  • CVE IDs: CVE-2012-4751
  • Date Public: 22 Oct 2012
  • Date First Published: 17 Oct 2012
  • Date Last Updated: 17 Oct 2012
  • Document Revision: 18


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