Learn about CVE-2020-26298, an injection vulnerability in Redcarpet Ruby library, enabling cross-site scripting attacks. Find mitigation steps and update recommendations here.
CVE-2020-26298 involves an injection vulnerability in Redcarpet, a Ruby library for Markdown processing, allowing for a cross-site scripting attack.
Understanding CVE-2020-26298
What is CVE-2020-26298?
In Redcarpet versions prior to 3.5.1, a vulnerability exists that enables an injection attack, potentially leading to cross-site scripting.
The Impact of CVE-2020-26298
This vulnerability could be exploited to execute malicious scripts on a user's browser, compromising sensitive data or performing unauthorized actions.
Technical Details of CVE-2020-26298
Vulnerability Description
The issue in Redcarpet before version 3.5.1 arises from the lack of HTML escaping during quote processing, even when the
:escape_html
option is used.
Affected Systems and Versions
Exploitation Mechanism
The vulnerability allows attackers to inject malicious scripts into the application, potentially leading to cross-site scripting attacks.
Mitigation and Prevention
Immediate Steps to Take
Long-Term Security Practices
Patching and Updates
Ensure that all software components, including Redcarpet, are kept up to date with the latest security patches and fixes.