Learn about CVE-2017-11594 affecting Loomio versions before 1.8.0. Understand the XSS vulnerability, its impact, affected systems, and mitigation steps.
Loomio before version 1.8.0 is susceptible to a cross-site scripting (XSS) vulnerability in its Markdown parser, allowing malicious actors to inject arbitrary web scripts or HTML.
Understanding CVE-2017-11594
This CVE involves a security flaw in Loomio's Markdown parser that could be exploited by attackers to execute XSS attacks.
What is CVE-2017-11594?
This vulnerability in Loomio versions prior to 1.8.0 permits remote threat actors to insert malicious web scripts or HTML by taking advantage of unsanitized Markdown content in new threads or thread comments.
The Impact of CVE-2017-11594
The XSS vulnerability in Loomio could lead to various security risks, including unauthorized data access, session hijacking, and potentially complete system compromise.
Technical Details of CVE-2017-11594
Loomio's Markdown parser vulnerability has the following technical aspects:
Vulnerability Description
The Markdown parser in Loomio versions earlier than 1.8.0 is prone to cross-site scripting (XSS) attacks due to insufficient sanitization of user input.
Affected Systems and Versions
Exploitation Mechanism
Attackers can exploit this vulnerability by injecting malicious web scripts or HTML code into Markdown content within new threads or thread comments.
Mitigation and Prevention
To address CVE-2017-11594 and enhance system security, consider the following measures:
Immediate Steps to Take
Long-Term Security Practices
Patching and Updates