CVE-2020-12625 : What You Need to Know
Learn about CVE-2020-12625, a cross-site scripting vulnerability in Roundcube Webmail before 1.4.4. Find out the impact, affected systems, exploitation method, and mitigation steps.
An issue was discovered in Roundcube Webmail before 1.4.4. There is a cross-site scripting (XSS) vulnerability in rcube_washtml.php because JavaScript code can occur in the CDATA of an HTML message.
Understanding CVE-2020-12625
This CVE identifies a cross-site scripting vulnerability in Roundcube Webmail before version 1.4.4.
What is CVE-2020-12625?
CVE-2020-12625 is a security vulnerability found in Roundcube Webmail that allows for cross-site scripting attacks due to improper handling of JavaScript code in HTML messages.
The Impact of CVE-2020-12625
The vulnerability could be exploited by attackers to execute malicious scripts in the context of a user's webmail session, potentially leading to unauthorized access to sensitive information or account takeover.
Technical Details of CVE-2020-12625
This section provides more in-depth technical information about the CVE.
Vulnerability Description
The vulnerability exists in Roundcube Webmail before version 1.4.4, specifically in the rcube_washtml.php file, allowing for the injection of JavaScript code within HTML messages.
Affected Systems and Versions
- Product: Roundcube Webmail
- Vendor: N/A
- Versions affected: All versions before 1.4.4
Exploitation Mechanism
Attackers can exploit this vulnerability by crafting HTML messages containing malicious JavaScript code, which, when viewed by a vulnerable version of Roundcube Webmail, can execute the code within the user's session.
Mitigation and Prevention
Protecting systems from CVE-2020-12625 requires immediate actions and long-term security practices.
Immediate Steps to Take
- Update Roundcube Webmail to version 1.4.4 or later to mitigate the vulnerability.
- Avoid opening HTML messages from untrusted or unknown sources.
- Consider implementing content security policies to restrict the execution of scripts within webmail.
Long-Term Security Practices
- Regularly update software and apply security patches promptly.
- Educate users on identifying and avoiding suspicious emails that may contain malicious content.
Patching and Updates
Ensure that Roundcube Webmail is kept up to date with the latest security patches and versions to prevent exploitation of known vulnerabilities.