Etherpad-Lite 1.7.5 has an XSS Vulnerability

Overview :
templates/pad.html in Etherpad-Lite 1.7.5 has XSS when the browser does not encode the path of the URL, as demonstrated by Internet Explorer.
Affected Product(s) :
  • Etherpad-Lite 1.7.5
Vulnerability Details :
CVE ID : CVE-2019-18209
The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.

The vulnerability exists due to insufficient sanitization of user-supplied data in templates/pad.html when processing URL. A remote attacker can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code in user’s browser in context of vulnerable website.

Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.

Solution :
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

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