Vigil@nce - PHPMailer: Cross Site Scripting via Debug Output
January 2018 by Vigil@nce
This bulletin was written by Vigil@nce : https://vigilance.fr/offer
SYNTHESIS OF THE VULNERABILITY
An attacker can trigger a Cross Site Scripting via Debug Output of
PHPMailer, in order to run JavaScript code in the context of the
web site.
Impacted products: Fedora.
Severity: 2/4.
Creation date: 16/11/2017.
DESCRIPTION OF THE VULNERABILITY
The PHPMailer product offers a web service.
However, it does not filter received data via Debug Output before
inserting them in generated HTML documents.
An attacker can therefore trigger a Cross Site Scripting via Debug
Output of PHPMailer, in order to run JavaScript code in the
context of the web site.
ACCESS TO THE COMPLETE VIGIL@NCE BULLETIN
https://vigilance.fr/vulnerability/PHPMailer-Cross-Site-Scripting-via-Debug-Output-24455